5 flashes
L1 neutral reversed or L1 voltage not present on L1
This code typically points to
- Reversed polarity
- Missing line voltage
- Supply wiring error
Next checks to confirm
- Verify incoming hot/neutral orientation
- Verify line voltage to control
- Verify ground/bonding
Escalation
If incoming power is correct and code persists, board issue is possible.
Reset behavior
Clears when power issue is corrected.
Service Soon
Schedule repair