– 49 –
User Interface (UI) Diagnostics
No display or LED’s will light (excluding model
GDF510).
1. Check for 120 VAC entering the main control.
If no volts are found, check the home breaker.
2. Attempt to enter Consumer Error Mode. If
LED’s light, the CSM is tripped. Consult
On
the Main Control Board CSM
section of this
service guide to diagnose and repair.
3. Check the door harness connections.