Alpha ESS M50-INV-AU

The warranty covers the product for 10 years, ensuring reliable operation. It excludes damage from non-accredited installations. To make a claim, contact support.

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

Warranty voided for non-accredited installation or tampering.

Environment limits

Operating temperature range -10 ~ 50 °C, which voids the warranty if exceeded.

Showing 25 of 25. The official install manual is the authoritative source — always confirm before acting.

• 100007criticalCall your installer

  Manual (PDF)

  Insulation fault

  Likely cause

  Confirm whether the installation environment of the solar panels and their cables is wet and the alarm occurs frequently; it can be temporarily reset.

  What to do

  Check installation conditions and contact service if necessary.

• 100008criticalCall your installer

  Manual (PDF)

  GFCI fault

  Likely cause

  Occurs frequently accompanied by other alarms, indicating potential inverter failure.

  What to do

  Contact customer service for assistance.

• 100025criticalCall your installer

  Manual (PDF)

  Battery over voltage

  Likely cause

  Occurs during charging; check battery voltage and wiring.

  What to do

  Assess battery condition and contact service.

• 100026criticalCall your installer

  Manual (PDF)

  Battery under voltage

  Likely cause

  Check battery connections and ensure proper setup.

  What to do

  Inspect battery and check breakers.

• 100042criticalCall your installer

  Manual (PDF)

  Output short

  Likely cause

  Disconnect load and restart inverter; possible load issue.

  What to do

  Troubleshoot load connections and contact support if needed.

• 100060criticalCall your installer

  Manual (PDF)

  DSP self-check

  Likely cause

  Involves internal errors; contact service.

  What to do

  Reach out for service immediately.

• 110004criticalCall your installer

  Manual (PDF)

  DC power alarm

  Likely cause

  Grid overvoltage reducing function; seek service for grid voltage settings.

  What to do

  Check grid connection and parameters based on service guidance.

• 110029criticalCall your installer

  Manual (PDF)

  GFCI Alarm

  Likely cause

  Seek service for assistance if led to instability with disconnects.

  What to do

  Reach out for immediate service support if issues persist.

• 100005warning

  Manual (PDF)

  BUS OVP1

  Likely cause

  If it happens occasionally, the inverter can recover automatically, no processing is required. If it persists, please contact the customer service center for further check.

  What to do

  Monitor status and consult service if recurring.

• 100010warning

  Manual (PDF)

  Grid relay fault

  Likely cause

  If it occurs occasionally, it's caused by a short-term abnormality of the power grid, the inverter can automatically recover.

  What to do

  Consult with service for frequent issues.

• 100027warningCall your installer

  Manual (PDF)

  Battery loose

  Likely cause

  Check wiring, DC switch, and BMS communication.

  What to do

  Ensure all connections are secure.

• 100030warning

  Manual (PDF)

  Battery discharge overcurrent

  Likely cause

  If the battery is over-discharged, reduce backup load.

  What to do

  Restart the inverter after reducing load.

• 100038warning

  Manual (PDF)

  Output DC over current

  Likely cause

  Caused by a short-term abnormality, may recover automatically.

  What to do

  Monitor performance and contact service if recurring.

• 100041warningCall your installer

  Manual (PDF)

  Output DC over voltage

  Likely cause

  Can be temporary; monitor status, may fix by itself.

  What to do

  Contact service if persistent.

• 100043warning

  Manual (PDF)

  Output overload

  Likely cause

  Reduce load connected.

  What to do

  Check/load levels and restart inverter.

• 100058warningCall your installer

  Manual (PDF)

  AFCI check protect

  Likely cause

  Restart system and check if issue persists.

  What to do

  If persistent, seek service assistance.

• 100122warningCall your installer

  Manual (PDF)

  EEPROM RW Failure

  Likely cause

  May result from remote upgrades; seek further assistance if failure persists.

  What to do

  Contact service for guidance if ongoing issues arise.

• 100123warningCall your installer

  Manual (PDF)

  DSP communication failure

  Likely cause

  Could be a firmware issue; power cycle to check if restored.

  What to do

  Contact support if persistent.

• 110006warningCall your installer

  Manual (PDF)

  Over temperature alarm

  Likely cause

  Inspect installation site for adequate ventilation and temperature management.

  What to do

  Contact service contact if thermal issues become recurrent.

• 110022warningCall your installer

  Manual (PDF)

  Grid Volt Alarm

  Likely cause

  Check grid connections and review settings if alarms continue.

  What to do

  Ensure system is configured according to service parameters; contact service if needed.

• 100012info

  Manual (PDF)

  PV Reverse

  Likely cause

  Check whether the cables of PV strings are correctly connected.

  What to do

  Reconnect cables if found reversed.

• 100046info

  Manual (PDF)

  DC Input Disturbance

  Likely cause

  Usually recovers automatically.

  What to do

  Monitor system for future occurrences.

• 100052info

  Manual (PDF)

  Backup over voltage

  Likely cause

  Typically resolves itself; monitor for consistency.

  What to do

  Consult service if it becomes frequent.

• 100054info

  Manual (PDF)

  DC bus undervolt

  Likely cause

  Usually recovers again; monitor status.

  What to do

  Keep an eye on system for future issues.

• 100145info

  Manual (PDF)

  12V auxiliary power Fault

  Likely cause

  Temporary; generally resolves itself.

  What to do

  Observe the system and consult support if necessary.