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Troubleshooting
Note:
To gain better access to components, remove
the wires that plug onto the large relays on the
Relay Board. (See
Relay Board
.
) Cut the wire tie that
the Smart Board
CN103 wire harn ess (See
Smart
Board
.) is routed through.
Check voltage between either side of the Bottom
TCO and Relay Board CN6 pin 9.
• If 120 VAC is present, problem is with
Magnetron Fan Motor or wiring (See
Wiring
Diagram
.) to motor.
• If 120 VAC is not present, the magnetron fan
motor relay on the Relay Board is not closing.
See
Relay Board
troubleshooting section.
Disassembly
(See
Magnetron Fan Assembly
.)
Disconnect
Disconnect
Magnetron Fan Assembly
To remove the Magnetron Fan Assembly:
1. Remove the Outer Cover. (See
Outer Cover
.
)
2. Note the location of the fan motor wire harness
and wire, then disconnect the fan motor wiring.
Note:
• In the following step, 2 screw access holes have
been provided in the back of the oven to remove
2 fan cover screws.
• Use a magnetic Phillips-head screwdriver
(recommended).
3. Remove and capture the 2 Phillips-head screws
that attach the bottom of the fan cover to the
air guide.
Air Guide
Access Hole (1 of 2)
Screw (1 of 2)
Fan
Cover
4. Remove the 3 Phillips-head screws that attach
the top of the fan cover to the oven chassis.
Fan Cover
(
Continued Next Page
)
