A111_F
One-hour lockout: main limit switch
This code typically points to
- Corresponding underlying active fault family: main limit open
Next checks to confirm
- Find and correct underlying active fault before resetting
- Red LED only blinks latest fault in buffer
Escalation
One-hour soft lockout
Reset behavior
Auto-clear after one hour OR interrupt electrical power for at least 5 seconds OR remove heat call.
Urgent
Fix now