Inverter Error Code Lookup

Check if fan is blocked by dust/debris. Restart inverter. If persists, fan replacement needed.

Ensure adequate ventilation, clear heat sinks, reduce heavy continuous load during hot hours.

Check BMS settings, verify charge controller configuration and battery bank voltage.

Allow solar or grid recharge. If battery does not recover, inspect battery health/cells.

Turn off AC breaker. Check wiring and disconnected loads one by one to isolate the faulty appliance.

Disconnect load, restart inverter. If error returns without load, internal power stage failure.

Reduce appliance load. Match continuous appliance wattage to inverter rating.

Check PV array open-circuit voltage (Voc) under cold weather; verify it does not exceed max MPPT limit.

Restart system. If fault persists, internal circuitry issue requiring repair.

Check for motor/compressor surge spikes. Restart and test with lower surge loads.

Check battery discharge rate and PV input stability during high load steps.

Reduce connected load. Inspect AC output terminal connections.

Inspect DC wiring, battery connection, and restart inverter switch.

Check PV cable insulation, solar panel frames grounding, and moisture in junction boxes.

Check generator governor or grid parameter settings in inverter setup.

Verify generator output frequency and stability under heavy load.

Check for heavy motor starts or short circuits on backup AC output ports.

Verify PV string configuration and battery charge/discharge current limits.

Inspect PV DC wiring for damaged jacket, conduit water ingress, or pinched solar wires.

Verify PV string Voc under cold ambient temperatures does not exceed inverter maximum.

Clean air filters and heatsink fins. Verify installation clearance requirements.

Measure grid voltage with multimeter; adjust local grid code overvoltage settings if permitted.

Recharge battery bank. Check battery breaker and cable connections.

Check RS485 / CAN communication cable, baud rate, and lithium battery protocol settings.

Immediately disconnect PV switch. Recalculate string length and remove excess panels per string.

Check PV connectors (MC4), crimps, and junction boxes along the string for loose contacts or damage.

Check AC breaker. If grid is present, check AC voltage level and grid standard settings.

Normal during power outages in Myanmar. Inverter switches to island/backup mode if configured.

Inspect DC lines for ground leakage, degraded cable insulation, or water in rooftop conduits.

Ensure inverter is installed away from direct afternoon sunlight; clean cooling fins.

Power cycle both AC and DC isolators for 5 minutes. If persists, contact certified service support.