GE Profile PT925 Technical Service Manual page 52

Problem Possible Causes
Plunger switch
Relay (upper cavity
only)
Wiring or heating
Cooking functions
element
do not work
Display/logic board
Oven relay board
Plunger switch
Oven cavity lights
not working Wiring
properly
Oven relay board
Glass touch key panel
Keypad or LED not
working
Ribbon cable or
display/logic board
What To Do
If the cavity lights are always on, check the plunger switch
related to the bad cavity.
• Test the functions in Service Mode.
• If the cooling fan, sail switch, and lights work properly,
check the relay and associated wiring.
• Test the functions in Service Mode.
• If relays click to turn on the heating elements but
no heat is generated, check the wiring and heating
element resistance.
• Test the functions in Service Mode.
• If none of the functions in Service Mode work properly,
replace the display/logic board.
• Test the functions in Service Mode.
• If some of the functions work and others do not, check
the relay board that is not working.
If the cavity lights are always on, check the plunger switch
related to the bad cavity.
If the lights work properly using the keypad but not
opening and closing the door, check the wiring to J20 on
the lower oven relay board.
If lights do not work for a specific cavity, check the wiring
and relay board associated with that cavity.
If only a single keypad or LED does not work, replace the
glass touch key panel.
If multiple keypads or LEDs do not work, check the ribbon
cable or replace the display/logic board.
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