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Battery inverter · Shenzhen Hnergy · ES-series series · CEC approved April 2026

Shenzhen Hnergy HNESPS125-34M0

Name: Shenzhen Hnergy HNESPS125-34M0
Brand: Shenzhen Hnergy
SKU: shenzhen-hnergy-co-ltd-hnesps125-34m0-as4777-2-2020

CEC listing: HNESPS125-34M0 (AS4777-2 2020)

A 125 kW three-phase battery inverter.

Commercial-scale inverter

At 125 kW, this is built for businesses and large sites. A typical home inverter is 5–10 kW.

Browse home-size inverters →

Installed in Perth, typical: ~$53,125; Estimate for the inverter alone — your quote will vary
Rated power: 125kW; How much solar it can run at once — a large roof
Battery-ready: Yes; Battery inverter: it runs the battery, alongside your solar inverter

Datasheet (PDF)Compare inverters See the whole ES-series series

Spotted something outdated?

What we can tell you

Read from the figures on this page. No review written yet.

It is a battery inverter: it runs a battery, and pairs with a separate solar inverter.
It needs a three-phase supply — check your switchboard, or ask your installer.
We can't confirm it is on Synergy's approved list — a battery paired with it needs that for the WA Battery Scheme, so ask your installer.
It is CEC-approved, which a new install needs to qualify for STCs.

Key specs, in plain terms

The numbers that matter for a home. The full datasheet is below.

Rated power How much solar it can turn into usable power at once: 125kW
Max efficiency How much of the solar you make reaches the house: 97.6%
Phases Needs a three-phase supply — check your switchboard: 3-phase
Type Runs a battery; pairs with a separate solar inverter: Battery

Full datasheet

Every figure on file for the Shenzhen Hnergy HNESPS125-34M0, by section.

Full datasheet, by section
Specification	Value
Efficiency
Max efficiency	97.6%
Installation requirements
Top clearance	200 mm
Side clearance	500 mm
AC breaker	63 A
Cable gauge	13 mm²
Earthing method	Grounding Bar
DNSP pre-approval	Yes
Estimated install time	8 hrs

Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.

Features & compatibility

Battery compatible

Yes

Backup capable

Yes

CEC approval details

CEC approved

23 Apr 2026

Approval expiry

23 Apr 2029

Status

Active

Eligible for rebates

Yes

About ShenZhen HNergy Co Ltd

Years in AU Market

—

Australian Office

Not verified

CEC-Approved Batteries

CEC-Approved Panels

What it costs in Perth

Typical installed, inverter only

$37,500–$68,750

Estimate confidence: Medium

Prices vary by installer, configuration and site complexity. Get exact quotes from installers you choose.

Explore your options

Compare quotes from installers you choose

WA compliance

Synergy approved list: Not confirmed
ESM compliant: Check

Western Power approval is required for every grid-connected install. Under Emergency Solar Management, a new system must be remotely manageable, or take an export limit instead — ask your installer to confirm this inverter’s ESM status.

0 years in Australian market

How it compares

The Shenzhen Hnergy HNESPS125-34M0 against the closest-power inverters from other brands.

Specification	Shenzhen Hnergy HNESPS125-34M0Shenzhen Hnergy	Delta AIOA279K125LDelta	Delta AIOC279K125LDelta

Rated power?	125 kW	125 kW	125 kW
Max efficiency?	97.6%best value	0.0%	0.0%
MPPT trackers?	Not verified	Not verified	Not verified

Phases	Three-phase	Three-phase	Three-phase
Type	Battery	Battery	Hybrid
Battery ready	Yes	Yes	Yes
Warranty	0 years	Not verified	Not verified

Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.

Documents

Warranty summary

This warranty covers defects for 0 years. Non-accredited installations void coverage. Claims can be made via the official warranty document.

0-year inverter warranty

Shenzhen Hnergy HNESPS125-34M0

This warranty covers defects for 0 years. Non-accredited installations void coverage. Claims can be made via the official warranty document.

AI-summarised from the manufacturer warranty document. Always confirm against the linked PDF before relying on it for a claim.

Coverage shape: Full-replacement coverage
If you sell the home: Does not transfer with the home
What voids it: Non-accredited installations, modifications, tampering voids the warranty.
Environment limits: N/A

Read the official warranty document (PDF)

Fault & error codes — Shenzhen Hnergy HNESPS125-34M0

From the install manual

56 documented

Showing 56 of 56. The official install manual is the authoritative source — always confirm before acting.

01criticalCall your installer
Manual (PDF)
Battery undervoltage alarm
Likely cause
Battery voltage is below the acceptable limit.
What to do
Charge the battery until it returns to the low voltage disconnection recovery voltage.
02criticalCall your installer
Manual (PDF)
Battery discharge average current overcurrent (software protection)
Likely cause
Battery discharge current exceeds the limit set in software.
What to do
Reduce the load on the battery; check connections.
03criticalCall your installer
Manual (PDF)
Battery not-connected alarm
Likely cause
Battery is not connected properly.
What to do
Check if the battery is connected and the circuit breaker is closed.
04criticalCall your installer
Manual (PDF)
Battery undervoltage stop discharge alarm
Likely cause
Battery voltage reached the undervoltage threshold during discharge.
What to do
Stop discharging the battery; charge it immediately.
05criticalCall your installer
Manual (PDF)
Battery overcurrent (hardware protection)
Likely cause
Hardware protection engaged due to high discharge current.
What to do
Check the load and disconnect it if necessary; contact professional if issue persists.
06criticalCall your installer
Manual (PDF)
Charging overvoltage protection
Likely cause
Battery voltage above the charging threshold.
What to do
Discontinue charging until voltage is back to normal.
07criticalCall your installer
Manual (PDF)
Bus overvoltage (hardware protection)
Likely cause
Busbar voltage exceeds the specified limit.
What to do
Inspect system for issues; disconnect to prevent damage.
08criticalCall your installer
Manual (PDF)
Bus overvoltage (software protection)
Likely cause
Software protection engaged due to high bus voltage.
What to do
Reduce input voltage; check system operation.
09criticalCall your installer
Manual (PDF)
PV overvoltage protection
Likely cause
Input from PV panels exceeds maximum voltage.
What to do
Inspect PV connections and reduce input voltage.
12criticalCall your installer
Manual (PDF)
Master-slave HES communication failure
Likely cause
Communication issue between master and slave units.
What to do
Check connections and reset the devices.
13criticalCall your installer
Manual (PDF)
Bypass overload protection
Likely cause
Bypass system drawing too much current.
What to do
Reduce load on bypass; contact installer if problem persists.
14criticalCall your installer
Manual (PDF)
Inverter overload protection
Likely cause
Inverter is overloaded with power exceeding capability.
What to do
Reduce load immediately; restart if necessary.
15criticalCall your installer
Manual (PDF)
Inverter overcurrent hardware protection
Likely cause
Excessive current detected by hardware protectors.
What to do
Investigate load and system; disconnect if needed.
16criticalCall your installer
Manual (PDF)
Requesting a shutdown fault from the chip
Likely cause
An internal request to shut down due to fault.
What to do
Investigate underlying issues; reset system if possible.
17criticalCall your installer
Manual (PDF)
Inverter short-circuit protection
Likely cause
Short circuit detected in output.
What to do
Disconnect load; investigate and repair as needed.
20criticalCall your installer
Manual (PDF)
Inverter AC output with load or AC charging radiator over-temperature protection
Likely cause
Overheating due to excess load or charging.
What to do
Reduce load and allow cooling.
22criticalCall your installer
Manual (PDF)
Memory failure
Likely cause
EEPROM or memory component has failed.
What to do
Contact installer for replacement or service.
23criticalCall your installer
Manual (PDF)
Model setting error
Likely cause
Incorrect model configuration in the system settings.
What to do
Verify model settings and correct.
24criticalCall your installer
Manual (PDF)
Positive and negative bus voltage imbalance
Likely cause
Voltage levels are unequal across the bus.
What to do
Check wiring and connections to resolve imbalance.
25criticalCall your installer
Manual (PDF)
Busbar short circuit
Likely cause
Short circuit in busbar.
What to do
Disconnect immediately and investigate.
26criticalCall your installer
Manual (PDF)
Inverter AC output backfeed to bypass AC output
Likely cause
Reverse current detected.
What to do
Check wiring and configurations.
28criticalCall your installer
Manual (PDF)
Utility input phase error
Likely cause
Mismatch in utility input phase connections.
What to do
Consult electrician to correct phase connection.
29criticalCall your installer
Manual (PDF)
Low bus voltage protection
Likely cause
Busbar voltage has dropped below thresholds.
What to do
Check battery and utility inputs; recharge if needed.
34criticalCall your installer
Manual (PDF)
CAN communication fault in parallel operation
Likely cause
Failure in CAN communication line for parallel setups.
What to do
Check CAN connections and system settings.
35criticalCall your installer
Manual (PDF)
Parallel ID (communication address) setting error
Likely cause
Incorrect configuration of parallel IDs.
What to do
Verify and correct parallel ID settings.
37criticalCall your installer
Manual (PDF)
Parallel current sharing fault
Likely cause
Inadequate sharing of current in parallel operation.
What to do
Check and adjust connection settings; if needed, consult installer.
38criticalCall your installer
Manual (PDF)
Large battery voltage difference in parallel mode
Likely cause
Notable voltage variance in batteries connected in parallel.
What to do
Balance battery voltages before restarting.
39criticalCall your installer
Manual (PDF)
Inconsistent AC input source in parallel mode
Likely cause
Different AC input sources detected in parallel configuration.
What to do
Ensure identical AC sources for parallel units.
40criticalCall your installer
Manual (PDF)
Hardware synchronization signal error in parallel mode
Likely cause
Failure to synchronize mechanisms in parallel configuration.
What to do
Check synchronization setup and configurations.
41criticalCall your installer
Manual (PDF)
Inverter DC voltage error
Likely cause
DC voltage outside allowable limits in inverter.
What to do
Inspect connections and adjust voltage source if necessary.
42criticalCall your installer
Manual (PDF)
Inconsistent system firmware version in parallel mode
Likely cause
Mismatched versions of installed firmware.
What to do
Update firmware across all units to synchronize.
43criticalCall your installer
Manual (PDF)
Parallel line connection error in parallel mode
Likely cause
Wiring errors in parallel configurations.
What to do
Check and correct wiring connections for parallel units.
44criticalCall your installer
Manual (PDF)
No serial number set at factory
Likely cause
Factory configuration missing serial number.
What to do
Contact manufacturer for correction.
45criticalCall your installer
Manual (PDF)
Item “Parallel” setting error
Likely cause
Incorrectly set parallel options in configuration.
What to do
Verify parallel settings and adjust accordingly.
49criticalCall your installer
Manual (PDF)
Grid over voltage
Likely cause
Input grid voltage exceeds normal limits.
What to do
Check grid connection and voltage; inform electric utility if issues persist.
50criticalCall your installer
Manual (PDF)
Grid under voltage
Likely cause
Input grid voltage falls below threshold values.
What to do
Monitor utility voltage; wait until stable before restarting.
51criticalCall your installer
Manual (PDF)
Grid over Frequency
Likely cause
Grid frequency exceeds acceptable operating frequency.
What to do
Ascertain utility conditions; halt operations if necessary.
52criticalCall your installer
Manual (PDF)
Grid under Frequency
Likely cause
Grid frequency falls below operating parameters.
What to do
Ascertain utility conditions; halt operations if necessary.
53criticalCall your installer
Manual (PDF)
Grid loss
Likely cause
Loss of grid connection.
What to do
Inspect connections; switch to battery power if needed.
54criticalCall your installer
Manual (PDF)
Grid-connected current with DC component over
Likely cause
Inverter detects abnormal current flow with a DC component.
What to do
Diagnose and remedy abnormal installations; consult technician.
55criticalCall your installer
Manual (PDF)
Grid standard not set
Likely cause
Failure to configure grid standards in inverter settings.
What to do
Set appropriate grid standards in settings.
57criticalCall your installer
Manual (PDF)
System leakage current exceeds limit.
Likely cause
Leakage current detected beyond safety thresholds.
What to do
Inspect installation for leaks; disconnect power if necessary.
61criticalCall your installer
Manual (PDF)
BMS alarm battery over temperature. (Effective after successful BMS communication)
Likely cause
Battery management system detects high battery temperature.
What to do
Cool down battery; ensure airflow is sufficient.
62criticalCall your installer
Manual (PDF)
BMS alarm battery over current. (Effective after successful BMS communication)
Likely cause
BMS detects excessive current across battery terminals.
What to do
Reduce load and inspect current flows.
19warning
Manual (PDF)
Buck heat sink over temperature protection
Likely cause
Heat sink has exceeded temperature threshold.
What to do
Allow cooling; ensure proper ventilation.
21warning
Manual (PDF)
Fan blockage or failure fault
Likely cause
Fan is blocked or not operating correctly.
What to do
Check and clean fan; ensure it operates.
30warning
Manual (PDF)
Alarm given when battery capacity rate is lower than 10%
Likely cause
Battery capacity is critically low.
What to do
Charge battery immediately; monitor capacity.
31warning
Manual (PDF)
Alarm given when battery capacity rate is lower than 5%
Likely cause
Battery is nearly depleted.
What to do
Charge the battery immediately to avoid shutdown.
32warning
Manual (PDF)
Inverter stops when battery capacity is low
Likely cause
Preventive shutoff to protect battery.
What to do
Charge battery before attempting to restart system.
56warningCall your installer
Manual (PDF)
PV1+, PV2+ and PV- abnormally low impedance to ground.
Likely cause
Grounding issues detected in photovoltaic connections.
What to do
Inspect PV installations for grounding issues; resolve immediately.
63warning
Manual (PDF)
BMS alarm low battery. (Effective after successful BMS communication)
Likely cause
Battery has reached low charge levels as defined by BMS.
What to do
Charge battery immediately to avoid shutoff.
10info
Manual (PDF)
Boost overcurrent (software protection)
Likely cause
Software protection active due to excessive current.
What to do
Check loads and adjust as necessary.
11info
Manual (PDF)
Boost overcurrent (hardware protection)
Likely cause
Hardware protection due to overcurrent during boost phase.
What to do
Reduce load to avoid repeated faults; check hardware.
18info
Manual (PDF)
Bus soft start failure
Likely cause
Failure to initiate soft start process on the bus.
What to do
Check configurations and reset.
58info
Manual (PDF)
BMS communication failure
Likely cause
Failed communication with Battery Management System.
What to do
Monitor system for stable BMS communication; replace hardware if needed.
60info
Manual (PDF)
BMS alarm battery low temperature.
Likely cause
Battery management system detects low battery temperature.
What to do
Warm up battery if possible; check environment.

Part of the Shenzhen Hnergy ES-series series

Compare every Shenzhen Hnergy ES-series variant side by side →

More ShenZhen HNergy Co Ltd Inverters

HNESPS115-34M0 (AS4777-2 2020)

115 kW · 3φ

HNESPS115-34M0Q (AS4777-2 2020)

115 kW · 3φ

HNESPS115-44M0 (AS4777-2 2020)

115 kW · 3φ

HNESPS115-44M0Q (AS4777-2 2020)

115 kW · 3φ

HNESPS125-34M0Q (AS4777-2 2020)

125 kW · 3φ

HNESPS125-44M0 (AS4777-2 2020)

125 kW · 3φ

View all ShenZhen HNergy Co Ltd inverters

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About this data

All inverter specifications are sourced from the CEC Approved Products Register. Specifications are provided as published by the CEC and may differ from manufacturer datasheets. Verify current specifications with the manufacturer or your installer before purchasing. Not all listed models may be currently available in Western Australia.

Battery inverter · Shenzhen Hnergy · ES-series series · CEC approved April 2026

Shenzhen Hnergy HNESPS125-34M0

CEC listing: HNESPS125-34M0 (AS4777-2 2020)

A 125 kW three-phase battery inverter.

Commercial-scale inverter

At 125 kW, this is built for businesses and large sites. A typical home inverter is 5–10 kW.

Browse home-size inverters →

Installed in Perth, typical: ~$53,125; Estimate for the inverter alone — your quote will vary
Rated power: 125kW; How much solar it can run at once — a large roof
Battery-ready: Yes; Battery inverter: it runs the battery, alongside your solar inverter

Datasheet (PDF)Compare inverters See the whole ES-series series

Spotted something outdated?

What we can tell you

Read from the figures on this page. No review written yet.

It is a battery inverter: it runs a battery, and pairs with a separate solar inverter.
It needs a three-phase supply — check your switchboard, or ask your installer.
We can't confirm it is on Synergy's approved list — a battery paired with it needs that for the WA Battery Scheme, so ask your installer.
It is CEC-approved, which a new install needs to qualify for STCs.

Key specs, in plain terms

The numbers that matter for a home. The full datasheet is below.

Rated power How much solar it can turn into usable power at once: 125kW
Max efficiency How much of the solar you make reaches the house: 97.6%
Phases Needs a three-phase supply — check your switchboard: 3-phase
Type Runs a battery; pairs with a separate solar inverter: Battery

Full datasheet

Every figure on file for the Shenzhen Hnergy HNESPS125-34M0, by section.

Full datasheet, by section
Specification	Value
Efficiency
Max efficiency	97.6%
Installation requirements
Top clearance	200 mm
Side clearance	500 mm
AC breaker	63 A
Cable gauge	13 mm²
Earthing method	Grounding Bar
DNSP pre-approval	Yes
Estimated install time	8 hrs

Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.

Features & compatibility

Battery compatible

Yes

Backup capable

Yes

CEC approval details

CEC approved

23 Apr 2026

Approval expiry

23 Apr 2029

Status

Active

Eligible for rebates

Yes

About ShenZhen HNergy Co Ltd

Years in AU Market

—

Australian Office

Not verified

CEC-Approved Batteries

CEC-Approved Panels

What it costs in Perth

Typical installed, inverter only

$37,500–$68,750

Estimate confidence: Medium

Prices vary by installer, configuration and site complexity. Get exact quotes from installers you choose.

Explore your options

Compare quotes from installers you choose

WA compliance

Synergy approved list: Not confirmed
ESM compliant: Check

0 years in Australian market

How it compares

The Shenzhen Hnergy HNESPS125-34M0 against the closest-power inverters from other brands.

Specification	Shenzhen Hnergy HNESPS125-34M0Shenzhen Hnergy	Delta AIOA279K125LDelta	Delta AIOC279K125LDelta

Rated power?	125 kW	125 kW	125 kW
Max efficiency?	97.6%best value	0.0%	0.0%
MPPT trackers?	Not verified	Not verified	Not verified

Phases	Three-phase	Three-phase	Three-phase
Type	Battery	Battery	Hybrid
Battery ready	Yes	Yes	Yes
Warranty	0 years	Not verified	Not verified

Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.

Documents

Warranty summary

This warranty covers defects for 0 years. Non-accredited installations void coverage. Claims can be made via the official warranty document.

0-year inverter warranty

Shenzhen Hnergy HNESPS125-34M0

This warranty covers defects for 0 years. Non-accredited installations void coverage. Claims can be made via the official warranty document.

AI-summarised from the manufacturer warranty document. Always confirm against the linked PDF before relying on it for a claim.

Coverage shape: Full-replacement coverage
If you sell the home: Does not transfer with the home
What voids it: Non-accredited installations, modifications, tampering voids the warranty.
Environment limits: N/A

Read the official warranty document (PDF)

Fault & error codes — Shenzhen Hnergy HNESPS125-34M0

From the install manual

56 documented

Showing 56 of 56. The official install manual is the authoritative source — always confirm before acting.

01criticalCall your installer
Manual (PDF)
Battery undervoltage alarm
Likely cause
Battery voltage is below the acceptable limit.
What to do
Charge the battery until it returns to the low voltage disconnection recovery voltage.
02criticalCall your installer
Manual (PDF)
Battery discharge average current overcurrent (software protection)
Likely cause
Battery discharge current exceeds the limit set in software.
What to do
Reduce the load on the battery; check connections.
03criticalCall your installer
Manual (PDF)
Battery not-connected alarm
Likely cause
Battery is not connected properly.
What to do
Check if the battery is connected and the circuit breaker is closed.
04criticalCall your installer
Manual (PDF)
Battery undervoltage stop discharge alarm
Likely cause
Battery voltage reached the undervoltage threshold during discharge.
What to do
Stop discharging the battery; charge it immediately.
05criticalCall your installer
Manual (PDF)
Battery overcurrent (hardware protection)
Likely cause
Hardware protection engaged due to high discharge current.
What to do
Check the load and disconnect it if necessary; contact professional if issue persists.
06criticalCall your installer
Manual (PDF)
Charging overvoltage protection
Likely cause
Battery voltage above the charging threshold.
What to do
Discontinue charging until voltage is back to normal.
07criticalCall your installer
Manual (PDF)
Bus overvoltage (hardware protection)
Likely cause
Busbar voltage exceeds the specified limit.
What to do
Inspect system for issues; disconnect to prevent damage.
08criticalCall your installer
Manual (PDF)
Bus overvoltage (software protection)
Likely cause
Software protection engaged due to high bus voltage.
What to do
Reduce input voltage; check system operation.
09criticalCall your installer
Manual (PDF)
PV overvoltage protection
Likely cause
Input from PV panels exceeds maximum voltage.
What to do
Inspect PV connections and reduce input voltage.
12criticalCall your installer
Manual (PDF)
Master-slave HES communication failure
Likely cause
Communication issue between master and slave units.
What to do
Check connections and reset the devices.
13criticalCall your installer
Manual (PDF)
Bypass overload protection
Likely cause
Bypass system drawing too much current.
What to do
Reduce load on bypass; contact installer if problem persists.
14criticalCall your installer
Manual (PDF)
Inverter overload protection
Likely cause
Inverter is overloaded with power exceeding capability.
What to do
Reduce load immediately; restart if necessary.
15criticalCall your installer
Manual (PDF)
Inverter overcurrent hardware protection
Likely cause
Excessive current detected by hardware protectors.
What to do
Investigate load and system; disconnect if needed.
16criticalCall your installer
Manual (PDF)
Requesting a shutdown fault from the chip
Likely cause
An internal request to shut down due to fault.
What to do
Investigate underlying issues; reset system if possible.
17criticalCall your installer
Manual (PDF)
Inverter short-circuit protection
Likely cause
Short circuit detected in output.
What to do
Disconnect load; investigate and repair as needed.
20criticalCall your installer
Manual (PDF)
Inverter AC output with load or AC charging radiator over-temperature protection
Likely cause
Overheating due to excess load or charging.
What to do
Reduce load and allow cooling.
22criticalCall your installer
Manual (PDF)
Memory failure
Likely cause
EEPROM or memory component has failed.
What to do
Contact installer for replacement or service.
23criticalCall your installer
Manual (PDF)
Model setting error
Likely cause
Incorrect model configuration in the system settings.
What to do
Verify model settings and correct.
24criticalCall your installer
Manual (PDF)
Positive and negative bus voltage imbalance
Likely cause
Voltage levels are unequal across the bus.
What to do
Check wiring and connections to resolve imbalance.
25criticalCall your installer
Manual (PDF)
Busbar short circuit
Likely cause
Short circuit in busbar.
What to do
Disconnect immediately and investigate.
26criticalCall your installer
Manual (PDF)
Inverter AC output backfeed to bypass AC output
Likely cause
Reverse current detected.
What to do
Check wiring and configurations.
28criticalCall your installer
Manual (PDF)
Utility input phase error
Likely cause
Mismatch in utility input phase connections.
What to do
Consult electrician to correct phase connection.
29criticalCall your installer
Manual (PDF)
Low bus voltage protection
Likely cause
Busbar voltage has dropped below thresholds.
What to do
Check battery and utility inputs; recharge if needed.
34criticalCall your installer
Manual (PDF)
CAN communication fault in parallel operation
Likely cause
Failure in CAN communication line for parallel setups.
What to do
Check CAN connections and system settings.
35criticalCall your installer
Manual (PDF)
Parallel ID (communication address) setting error
Likely cause
Incorrect configuration of parallel IDs.
What to do
Verify and correct parallel ID settings.
37criticalCall your installer
Manual (PDF)
Parallel current sharing fault
Likely cause
Inadequate sharing of current in parallel operation.
What to do
Check and adjust connection settings; if needed, consult installer.
38criticalCall your installer
Manual (PDF)
Large battery voltage difference in parallel mode
Likely cause
Notable voltage variance in batteries connected in parallel.
What to do
Balance battery voltages before restarting.
39criticalCall your installer
Manual (PDF)
Inconsistent AC input source in parallel mode
Likely cause
Different AC input sources detected in parallel configuration.
What to do
Ensure identical AC sources for parallel units.
40criticalCall your installer
Manual (PDF)
Hardware synchronization signal error in parallel mode
Likely cause
Failure to synchronize mechanisms in parallel configuration.
What to do
Check synchronization setup and configurations.
41criticalCall your installer
Manual (PDF)
Inverter DC voltage error
Likely cause
DC voltage outside allowable limits in inverter.
What to do
Inspect connections and adjust voltage source if necessary.
42criticalCall your installer
Manual (PDF)
Inconsistent system firmware version in parallel mode
Likely cause
Mismatched versions of installed firmware.
What to do
Update firmware across all units to synchronize.
43criticalCall your installer
Manual (PDF)
Parallel line connection error in parallel mode
Likely cause
Wiring errors in parallel configurations.
What to do
Check and correct wiring connections for parallel units.
44criticalCall your installer
Manual (PDF)
No serial number set at factory
Likely cause
Factory configuration missing serial number.
What to do
Contact manufacturer for correction.
45criticalCall your installer
Manual (PDF)
Item “Parallel” setting error
Likely cause
Incorrectly set parallel options in configuration.
What to do
Verify parallel settings and adjust accordingly.
49criticalCall your installer
Manual (PDF)
Grid over voltage
Likely cause
Input grid voltage exceeds normal limits.
What to do
Check grid connection and voltage; inform electric utility if issues persist.
50criticalCall your installer
Manual (PDF)
Grid under voltage
Likely cause
Input grid voltage falls below threshold values.
What to do
Monitor utility voltage; wait until stable before restarting.
51criticalCall your installer
Manual (PDF)
Grid over Frequency
Likely cause
Grid frequency exceeds acceptable operating frequency.
What to do
Ascertain utility conditions; halt operations if necessary.
52criticalCall your installer
Manual (PDF)
Grid under Frequency
Likely cause
Grid frequency falls below operating parameters.
What to do
Ascertain utility conditions; halt operations if necessary.
53criticalCall your installer
Manual (PDF)
Grid loss
Likely cause
Loss of grid connection.
What to do
Inspect connections; switch to battery power if needed.
54criticalCall your installer
Manual (PDF)
Grid-connected current with DC component over
Likely cause
Inverter detects abnormal current flow with a DC component.
What to do
Diagnose and remedy abnormal installations; consult technician.
55criticalCall your installer
Manual (PDF)
Grid standard not set
Likely cause
Failure to configure grid standards in inverter settings.
What to do
Set appropriate grid standards in settings.
57criticalCall your installer
Manual (PDF)
System leakage current exceeds limit.
Likely cause
Leakage current detected beyond safety thresholds.
What to do
Inspect installation for leaks; disconnect power if necessary.
61criticalCall your installer
Manual (PDF)
BMS alarm battery over temperature. (Effective after successful BMS communication)
Likely cause
Battery management system detects high battery temperature.
What to do
Cool down battery; ensure airflow is sufficient.
62criticalCall your installer
Manual (PDF)
BMS alarm battery over current. (Effective after successful BMS communication)
Likely cause
BMS detects excessive current across battery terminals.
What to do
Reduce load and inspect current flows.
19warning
Manual (PDF)
Buck heat sink over temperature protection
Likely cause
Heat sink has exceeded temperature threshold.
What to do
Allow cooling; ensure proper ventilation.
21warning
Manual (PDF)
Fan blockage or failure fault
Likely cause
Fan is blocked or not operating correctly.
What to do
Check and clean fan; ensure it operates.
30warning
Manual (PDF)
Alarm given when battery capacity rate is lower than 10%
Likely cause
Battery capacity is critically low.
What to do
Charge battery immediately; monitor capacity.
31warning
Manual (PDF)
Alarm given when battery capacity rate is lower than 5%
Likely cause
Battery is nearly depleted.
What to do
Charge the battery immediately to avoid shutdown.
32warning
Manual (PDF)
Inverter stops when battery capacity is low
Likely cause
Preventive shutoff to protect battery.
What to do
Charge battery before attempting to restart system.
56warningCall your installer
Manual (PDF)
PV1+, PV2+ and PV- abnormally low impedance to ground.
Likely cause
Grounding issues detected in photovoltaic connections.
What to do
Inspect PV installations for grounding issues; resolve immediately.
63warning
Manual (PDF)
BMS alarm low battery. (Effective after successful BMS communication)
Likely cause
Battery has reached low charge levels as defined by BMS.
What to do
Charge battery immediately to avoid shutoff.
10info
Manual (PDF)
Boost overcurrent (software protection)
Likely cause
Software protection active due to excessive current.
What to do
Check loads and adjust as necessary.
11info
Manual (PDF)
Boost overcurrent (hardware protection)
Likely cause
Hardware protection due to overcurrent during boost phase.
What to do
Reduce load to avoid repeated faults; check hardware.
18info
Manual (PDF)
Bus soft start failure
Likely cause
Failure to initiate soft start process on the bus.
What to do
Check configurations and reset.
58info
Manual (PDF)
BMS communication failure
Likely cause
Failed communication with Battery Management System.
What to do
Monitor system for stable BMS communication; replace hardware if needed.
60info
Manual (PDF)
BMS alarm battery low temperature.
Likely cause
Battery management system detects low battery temperature.
What to do
Warm up battery if possible; check environment.

Part of the Shenzhen Hnergy ES-series series

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