- Error code
- W012
- Category
- Clock / battery
- Manufacturer
- ABB / FIMER
1What the error means
Low clock battery. The inverter produces normally — only the time and data logging are affected.
On the display or in the monitoring software it appears as Clock Battery Low.
2Possible causes
- Exhausted clock battery
- Fault in the clock circuit
3What to do
- The inverter keeps feeding in normally — only data logging is affected.
- Schedule a battery replacement.
4Repair by Aineas
You send the inverter to our lab in Thessaloniki. We diagnose it, inform you of the fault and the cost, and the repair starts only after you approve it. Every inverter is tested under simulated operating conditions before delivery.