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FOR SERVICE TECHNICIAN'S USE ONLY
FAILURE
ERROR
LIKELY FAILURE CONDITION
Door and latch switch do not agree (main/upper
E0
oven)
F5 Inputs
E3
Door and latch switch do not agree (lower oven)
SUGGESTED CORRECTIVE ACTION PROCEDURE
NOTE: Before starting any test, cycle power to the oven (power off, wait 10
seconds, and power on).
PROCEDURE: Before proceeding, verify the error code by entering the
Diagnostics mode and selecting "Error Diagnostics."
1.
Enter the Diagnostics mode and select "Component Activation."
2.
Touch or scroll to "Door Latch Motor." Touch "OK." Touch "Latch Door."
Wait at least 15 seconds and check if latch status changes on screen. If
status does not change, go to Step 4. If status changes, go to Step 8.
3.
Unplug oven or disconnect power.
4.
Unplug connector P3 and check for continuity (on the latch wire) between
P3‑5 and P3‑7.
BU
Upper Motor Latch Switch
Upper Door Switch
1
2
3
4
5
6
Upper Copernicus
7
Appliance Manager
8
9
10
TN
P3
BR
OR/BK
BU
Lower Motor Latch Switch
Lower Door Switch
5.
Unplug connector J8 from the Copernicus Appliance Manager and
measure the resistance between connectors J8‑2 and P5‑1. It should be
500 Ω to 3000 Ω at 77°F (25°C).
Upper Copernicus
Appliance Manager
Lower Copernicus
Appliance Manager
6.
If the resistance check is not correct, replace the affected door latch
assembly.
7.
Verify that the resistance between connectors J8‑2 and P5‑1is 500 Ω to
3000 Ω at 77°F (25°C).
12
1
2
3
4
5
6
Lower Copernicus
7
Appliance Manager
8
9
10
TN
P3
BR
OR/BK
N
WH
YL
1
2
Upper Motor Door Latch
3
4
5
6
7
P5
1
WH
2
J8
WH
YL
1
2
Lower Motor Door Latch
3
4
5
6
7
P5
1
WH
2
J8
N
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