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flymike

KitchenAid Microwave F1E5 MW Inverter error

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flymike   
flymike

I have a KitchenAid KEMS379B builtin microwave/oven combo. It will run for a little bit, then stop and show ERR F1E5 MW INVERTER message. If I keep clearing the message and restarting it, the food will eventually reheat/cook but it takes significantly longer. What needs to be done to fix this? Also does the whole unit need to come out (sadly I think it does) or am I able to fix it while it stays mounted in the cabinet?
Thanks for your help,
Mike
 

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Hiroshi   
Hiroshi

You will have to pull it out to expose the parts... microwaves are not the easiest to work on- 

F1 Internal E5 Microwave Oven Inverter Error

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, start a microwave cooking function and wait 1 minute, then verify that the failure appears again.

1. Unplug oven or disconnect power.

2. Check that the P21 and P22 connections of the Microwave Appliance Manager are firmly connected. If they are, go to Step 3. If they are not, reconnect and go to Step 6.

3. Disconnect connector P21 from the Microwave Appliance Manager, and measure the resistance of the thermistor. It should be (approximately) 10kΩ at 77°F ± 10°F (25°C ± 10°C).

4. Disconnect connector P22 from the Microwave Appliance Manager, and measure the resistance of the thermistor. It should be (approximately) 230kΩ at 77°F ± 10°F (25°C ± 10°C).

5. Check thermistor for short to ground. If check on thermistor is not correct, replace the thermistor. If thermistor check is correct, replace the Microwave Appliance Manager

6. Replace all parts and panels before operating.

7. Plug in oven or reconnect power.

8. Verify operation is normal. Re-enter the Diagnostics Mode and erase error code(s).  

Control Board W10811595       Alternate Product View

W10811595  this the Microwave appliance manager...

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Garrett Munger   
Garrett Munger

I have one of these that is kicking my butt.Any help would be great.

F1E5 after Appliance Manager and Inverter have been changed.Still same error code. HELP!

 

W10217711  inverter 

WPW10398151 control

model KEMS308SSS04

serial D03910528

 

 

thanks 

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MoTeD   
MoTeD
13 hours ago, Garrett Munger said:

I have one of these that is kicking my butt.Any help would be great.

F1E5 after Appliance Manager and Inverter have been changed.Still same error code. HELP!

 

W10217711  inverter 

WPW10398151 control

model KEMS308SSS04

serial D03910528

 

 

thanks 

PRECAUTIONS TO BE OBSERVED BEFORE AND 
DURING SERVICING TO AVOID POSSIBLE EXPOSURE 
TO EXCESSIVE MICROWAVE ENERGY

1. Interlock Operation
2. Proper Door Closing
3. Seal and Sealing Surfaces (Arcing, Wear and Other Damage)
4. Damage to or Loosening of Hinges and Latches
5. Evidence of Dropping or Abuse
a. Do not operate or allow the oven to be operated with the door open.
b. Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, 
 and make repairs as necessary:
c. Before turning on microwave power for any service test or inspection within the microwave generating compartments, 
 check the magnetron, waveguide or transmission line, and cavity for proper alignment, integrity and connections. 
d. Any defective or misadjusted components in the interlock, monitor, door seal, and microwave generation and transmission 
 systems shall be repaired, replaced, or adjusted by procedures described in service manual before the oven is released to 
 the owner.
e. A microwave leakage check to verify compliance with the CSA should be performed on each oven prior to release to the owner.
f. Do not attempt to operate the oven if the door glass is broken.

F1E5

SUGGESTED CORRECTIVE ACTION PROCEDURE
PROCEDURE: Before proceeding, perform steps 1 through 3 of “To 
Enter Diagnostics Mode.”
1. Unplug microwave oven or disconnect power.
2. Replace microwave oven inverter.
3. Replace all parts and panels before operating.
4. Plug in microwave oven or reconnect power.
5. Verify operation is normal. Go to Step 1 of “To Enter Diagnostic 
Mode” and complete checks

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MoTeD   
MoTeD

After replacing the appliance manager did you clear codes and program new control for your machine?

 

Unplug unit. Verify all wiring and connections are tight and proper. 

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