Whirlpool WOC75EC7H, Service Manual

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For Service Technician Use Only
DIAGNOSTICS & TROUBLESHOOTING
Whirlpool
®
Smart Wall Ovens
n
2-9
Code Description Explanation and Recommended Procedure
F1E6 Microwave
Generation Error
NOTE: Before starting any test, cycle power to the oven (power off, wait 10 seconds, then power
on). After powering on, be sure that a load, such as a microwave-safe cup of water, is present in
the microwave oven cavity, and start a microwave cooking function. Wait
1 minute, and then verify that the failure happens again.
1.
Make sure that all interlock switches works properly: when door is open, microwave light is
on, and when door is closed, microwave light is off.
2. Unplug microwave oven or disconnect power.
3.
Check the following connections on Microwave ACU:
a. Relay 4903
4. If the door works properly and all connections are okay, replace the Magnetron.
5.
Reassemble all parts and panels before operating.
6. Plug in microwave oven or reconnect power.
7.
To check if the error code is still present, be sure that a load, such as a microwave-safe cup of
water, is present in the microwave oven cavity,and start a cooking function in the microwave
oven. Wait 1 minute to check if the error appears. If error remains, then go to Step 8. If not,
go to Step 16.
8. Unplug the oven or disconnect power and replace the Inverter Board.
9.
Reassemble all parts and panels before operating.
10. Plug in the oven or reconnect power.
11.
To check if the error code is still present, be sure that a load, such as a microwave-safe cup of
water, is present in the microwave oven cavity, and start a cooking function in the microwave
oven. Wait 1 minute to check if the error appears. If error remains, then go to Step 12. If not,
go to Step 16.
12. Unplug microwave oven or disconnect power.
13.
Replace the Microwave ACU.
14. Reassemble all parts and panels before operating.
15.
Plug in the oven or reconnect power and follow the on-screen prompts for a model
selection.
16. Verify operation is normal. Enter Diagnostics mode, select “Error Diagnostics”, and clear the
history. If the HMI-Central/UI board Control Panel Assembly was replaced, there is no need
to clear the error history.
Line Fuse
20A
Primary
Switch
Interlock
Inverter
4903
1
Microwave Relay
4
BR
BU
CN702
L1