Service Guide
For Service Technician Use Only
DIAGNOSTICS & TROUBLESHOOTING
2-10
n
Whirlpool
®
Smart Wall Ovens
Code Description Explanation and Recommended Procedure
F2 Keypad
E6
Microwave
Generaon Error
NOTE: Before starng any test, cycle power to the oven (power o, wait 10 seconds, then power
on).
PROCEDURE: Before proceeding, verify the error code by entering the Diagnoscs Menu and
selecng “Error Diagnoscs”.
1. Unplug the oven or disconnect power.
2. Check that connector J1 is rmly connected. If it is not, go to Step 3. If it is, go to Step 6.
3. Reconnect any loose connectors.
4. Reassemble all parts and panels before operang.
5. Plug in microwave oven or reconnect power. If the failure is gone, go to Step 9. If the failure
is sll present, unplug the oven or disconnect power.
6. Replace the HMI-Central/UI board Control Panel Assembly.
7. Reassemble all parts and panels before operang.
8. Follow the on-screen prompts to select for a model selecon.
9. Verify operaon is normal. Enter Diagnoscs Mode, select “Error Diagnoscs”, and clear the
history. If the HMI-Central/UI board Control Panel Assembly was replaced, there is no need
to clear the error history.
F2 Keypad
E1
Stuck/shorted key
F3
Sensors
E0
Main oven sensor
open or shorted
NOTE: Before starng any test, cycle power to the oven (power o, wait 10 seconds, then power
on).
PROCEDURE: Before proceeding, verify the error code by entering the Diagnoscs Menu and
selecng “Error Diagnoscs”.
1. Unplug the oven or disconnect power.
2. Disconnect connector P3 from Oven ACU, and measure the resistance of the sensor between
P3-1 and P3-2. Test for 1000 Ω to 1200 Ω at 77°F (25°C). Check sensor for short to ground. If
checks on sensor are not correct, replace sensor and repeat the checks.
3. Reassemble all parts and panels and plug in the oven or reconnect power.
4. Enter the Diagnoscs Menu and select “Sensors & Switches” to verify if the temperature
shown in the Cavity Temp display is correct (ambient temperature). If it is, go to Step 8. If it is
not, unplug microwave oven or disconnect power.
NOTE: On the status screen, the unit of measurement is Celsius.
5. Replace the Copernicus ACU.
6. Reassemble all parts and panels before operang.
7. Plug in the oven or reconnect power.
8. Verify operaon is normal. Enter the Diagnoscs Menu, select “Error Diagnoscs”, and clear
the history.
Speaker
Keypad
User Interface J1
Ribbon Cable
Control Panel Assembly
Copernicus
ACU
Oven
T
emperature
Sensor
V
V
1
2
5
3
4
10
P3
6
7
8
9