Jenn-Air JMW2427IL Mode D'emploi page 16

FOR SERVICE TECHNICIAN'S USE ONLY
FAILURE ERROR LIKELY FAILURE CONDITION
F4 E9 Inverter and magnetron over temperature
SUGGESTED CORRECTIVE ACTION PROCEDURE
NOTE: Before starting any test, cycle power to the oven (power off, wait 10
seconds, and 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.
Unplug oven or disconnect power.
2.
Check the following:
a. Cooling fan connection for any loose connectors
b. Oven installation and make sure there is no air blockage
3. Reassemble all parts and panels before operating.
4. Plug in oven or reconnect power.
5.
To check if the cooling fan is stalled, 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. Make sure the fan is
running. If it is not, unplug oven or disconnect power, replace the fan, and
go to Step 8. Otherwise, go to Step 6.
6. Unplug oven or disconnect power.
7.
Replace the Magnetron and the inverter board.
8. Reassemble all parts and panels before operating.
9. Plug in oven or reconnect power.
10. Verify operation is normal. Enter the Diagnostics menu, select "Error
Diagnostics," and clear the history.
FAILURE ERROR LIKELY FAILURE CONDITION
F5 Inputs E0 Door and latch switch do not agree
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 menu and select "Component Activation." Touch or
scroll to "Door Latch Motor," and then touch "OK." Touch "Latch Door."
Wait at least 15 seconds, and then check if latch status changes on
screen. If status does not change, unplug oven or disconnect power and
go to Step 2. If status changes, unplug oven or disconnect power and go
to Step 5.
2.
If the oven door did not unlatch, unplug connector P3 and check for
continuity (on the latch wire) between P3-5 and P3-7.
BU
Motor Latch Switch
Door Switch
3. Disconnect J8 connector from Copernicus Appliance Manager.
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1
2
3
4
5
6
7
Copernicus
8
9
Appliance Manager
10
TN
P3
BR
OR/BK