F22
Relay(s) Welded
Schneider Electric · XW Pro NA Operation Guide
What does F22 mean?
This Manual Fault indicates that an unidentified L1 transfer relay is faulty, or an external AC source was incorrectly wired directly to the AC output. This can lead to improper power transfer and potential damage to the inverter.
Complete Troubleshooting Guide
- 1
Disconnect the inverter’s output wiring.
- 2
If error continues, have unit serviced.