61
Blower fault – blower unable to run
This code typically points to
- Dead/inoperable blower
- Main limit held open >150 seconds
- Blower motor fails repeatedly in same heat call
Next checks to confirm
- Check blower motor operation, power, wiring, and airflow/limit condition
Escalation
If dead blower is declared four times in one heat call, control enters hard lockout and displays 61
Reset behavior
Hard-lockout condition can be reset by cycling the heat call.
Urgent
Fix now