Jenn-Air JMC2427IM Fiche Technique page 14

FOR SERVICE TECHNICIAN'S USE ONLY
FAILURE ERROR LIKELY FAILURE CONDITION
Lost communications with Microwave Oven
F6 E8
Appliance Manager
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 Menu and selecting "Error Diagnostics."
1.
Make sure the oven is plugged in. Open microwave door to check if light
comes on.
2.
Unplug oven or disconnect power.
3. Check the connection between Oven User Interface Board J15-2 (yellow)
and J15-3 (orange) and Microwave Appliance Manager P26-3 (orange)
and P26-4 (yellow).
N L2 L1
HMI Left
CONN7 CONN2
WH
6
2 SMPS
5
1
4
14V DC 3
BK
15 W 1
Control Panel Assembly
Speaker
BK
J8
1
HMI-C/
RD
J4 J6 User Interface J5 J7
HMI Right
J15
1 2 3 4
EOL
YL BU
1 2
YL
OR OR
YL
BU
OR YL
P26
1 2 3 4 5
Microwave Appliance
Manager
4. If harness is correct, replace the Microwave Appliance Manager.
5.
Reassemble all parts and panels before operating.
6.
Plug in oven or reconnect power.
7. If the error appears again, unplug or disconnect power and replace HMI-
Central/UI board.
8. Reassemble all parts and panels before operating.
9. Plug in oven or reconnect power.
10. Follow the on-screen prompts to select the model number if the UI was
replaced.
11. Verify operation is normal. Enter the Diagnostics Menu, select "Error
Diagnostics," and clear the history. If the Control Panel Assembly was
replaced, there is no need to clear the error history.
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