Service Guide
For Service Technician Use Only
DIAGNOSTICS & TROUBLESHOOTING
Whirlpool
®
Smart Wall Ovens
n
2-27
Code Description Explanation and Recommended Procedure
F6 E4 User Interface/Appliance
Manager state status
mismatch
NOTE: Before starng any test, cycle power to the oven (power o, wait
10 seconds, and power on).
1. Unplug the oven or disconnect power.
2. Replace Copernicus ACU.
3. Reassemble all parts and panels before operang.
4. Plug in the oven or reconnect power.
5. Cycle power. If error persists aer the Copernicus ACU is replaced, unplug the
oven or disconnect power. Go to Step 7.
6. If the error is gone, go to Step 10.
7. Replace the HMI-Central/UI board Control Panel Assembly.
8. Reassemble parts and panels before operang.
9. Plug in the oven or reconnect power and follow the on-screen prompts for a
model selecon.
10. Verify operaon is normal. Enter Diagnoscs mode, select “Error Diagnoscs”,
and clear the history.
F8 E0 Low fan speed underspeed LOW FAN SPEED MESSAGE ON SINGLE/DOUBLE: The product is experiencing a
problem and can no longer be used.
1. Unplug the oven or disconnect power.
2. Wait for at least 30 seconds.
3. Plug in the oven or reconnect power.
4. Enter Diagnoscs mode and navigate to the Component Acvaon list.
5. Turn on the Cooling Fan Low Speed.
6. Check for proper voltage input at P5-5 and neutral for high speed fan, P5-4 and
neutral for low speed fan when cooling fan should be running by compleng
following steps.
7. Unplug the oven or disconnect power.
8. Connect voltage measurement equipment.
9. Plug in the oven or reconnect power. Measure voltage and conrm voltage
reading is 120 V. If it is not, unplug the oven or disconnect power and go to
Step 13. If it is, go to Step 10.
10. Check for proper voltage input at P4-1 and P4-2 and conrm voltage reading is
5VDC. If it is not, unplug the oven or disconnect power and go to Step 13. If it
is, go to Step 11.
11. Unplug the oven or disconnect power.
12. Replace cooling fan. Go to Step 15.
13. Check integrity of all harness wires and connecons between the oven
appliance manager and the cooling fan.
Ensure no shorted wires to chassis.
If the wiring is pinched or damaged, replace the cooling fan harness.
Go to Step 15.
If the wiring is good, go to Step 14.
14. Replace the oven appliance manager. Go to Step 15.
15. Replace all parts and panels before operang.
16. Plug in the oven or reconnect power.
17. Enter into Diagnoscs mode and verify that fan speed is running within oven.
(High speed: 1000-3300, Low speed: 400-3000)
Once Fan Speed is completed, navigate back to the acvaon list and acvate the
Cooling Fan High Speed and return to “More Informaon” screen for fan speed.
F8 E1 Low fan speed overspeed
F8 E2 High fan speed underspeed
F8 E3 High fan speed overspeed
BK
BK
WH
K4
K6
K7
K8
1
2
3
4
5
6
7
P5
GY
GY/BK
M
M
LO HS Cooling Fan
LO LS Cooling Fan