Question about KitchenAid KHMS155LSS 1000 Watts Microwave Oven

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Whirlpool Microwave GH5184XPB7 shows error F7

Microwave will start for a few seconds and stop showing error F7 on panel

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Posted on Jan 02, 2017

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SOURCE: Kitchenaid microwave runs for a few seconds and

Hi alykat737,

This error code F7 on KitchenAid microwave is about a function key that is stuck on ERC. You will have to Replace control board (also called ERC or clock) to fix the problem. In case you will have to buy a replacement part you may contact Sears for the replacement part at 1-800-252-1698; M-F 6:30 AM-10:30 PM - Sat 7:00 AM-9:30 PM - Sun 7:30 AM-9:30 PM - All times Central.

Hope this helps.

Thank you for using FixYa.


Posted on Jun 07, 2011

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1 Answer

Whirlpool GMH5205XVS0 stop after few secons no heat and show A F7 signal


See my help files here: http://www.microwavecontrol.com/safety.htm
http://www.microwavecontrol.com/disassembly.htm There is a service bulletin here for trained service personnel which addresses the diagnosis and cure for the F7 error code in these models.
There should be a technical sheet hidden behind the controls of your microwave. If not, it is here. It is helpful.
Feel free to contact me directly (see below) if you have other questions.- William E. Miller, AS-EET
pupista@gmail.com
http://www.MicrowaveControl.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"

typical_f7_error_code-dxtsmw1uemkxlpuesnaczsbg-5-1.jpg

Dec 01, 2017 | Whirlpool Microwave Ovens

1 Answer

Code f 7


There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components. It should cover an F7 error code.

A video is available here showing how to remove a typical over the range control panel assembly in under 5 minutes.

This may help:

F7 Error Code On Microwave Ovens With Inverter Board
MODELS: GH9177XL, GH9185XL, MH9180XL, MH7155XMS, & KHHS178L for example

An F7 error code could be an inverter board failure. Anything else that prevents microwave energy may also cause an F7 error, and must be checked. The technician should perform the following procedure to test for an F7 error code:

1. Check the magnetron.
2. Check the magnetron TCO (it should be closed).
3. Check the 3 interlock switches.
4. Check the harness wiring.
5. Check the electronic controls.
6. Check the inverter board.

You can find links to helpful exploded view diagrams and part ordering help here.

I recommend that you bookmark that link to your favorites.

Oct 15, 2013 | Whirlpool Microwave Ovens

2 Answers

Whirlpool GH5184XPS Microwave Oven F7 error, trips circuit breaker


Check the high voltage capacitor, it normally shorts, "discharge with screwdriver" unhook one side and set meter to ohms. Check high voltage diode tied into one side of the capacitor, "unhook from chassis ground" set meter to ohms and check for short, sometimes cracks, "must be replaced" If the diode is open meter does not have enough forward bias to check.

Apr 01, 2012 | Whirlpool Microwave Ovens

1 Answer

GMH5205xvs -0


There is a technical sheet inside the unit.

On it you'll find help locating components and a chart which shows the "F" codes. F7 is likely either a door code or an inverter failure.

You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

Dec 20, 2011 | Whirlpool Microwave Ovens

2 Answers

I have a whirlpool microwave oven over the range. Model GH 5184xps-4 when I press start, it comes on for one second then it shows a code -F7- and stops


TOUCH PANEL & MICROCOMPUTER BOARD TEST FOR WHIRLPOOL....

The microwave oven may be provided with a self diagnostic routine that can be operated

through the touch pad keyboard. To enter the self-diagnostic routine:

1.While pressing the CANCEL keypad:
a) Open the oven door.
b) Unplug the microwave oven for 2-seconds and plug it back in.
c) Release the CANCEL keypad and close the oven door. You will see the following display.

CHART
NOTE: The humidity sensor test results will appear on the display after 8-seconds.If the tests are successful, "OK " will be displayed. If one or more of the tests fail, "ERR " will be displayed.. 2.When a keypad is pressed, a number according to the test chart will be displayed. When no keypad is pressed, a blank "O" (square) is displayed...

POWER FAILURE & FAILURE CODES
Power Failure: After a power failure, the WELCOME screen will be displayed.

F2 Keyboard Failure: Refer to the Tech Sheet and conduct a touch panel continuity test.

F3 Humidity Sensor Failure: Refer to the Tech Sheet and test the sensor.

F6 Microwave Relay Failure: Check the microwave relay.

F7 Microcomputer Board Failure: Change the microcomputer board.


Hope helps.

Apr 12, 2011 | Whirlpool Microwave Ovens

1 Answer

Kitchenaid microwave runs for a few seconds and then shows error code F7. Kitchenaid Phone Center never heard of this error.


Hi alykat737,

This error code F7 on KitchenAid microwave is about a function key that is stuck on ERC. You will have to Replace control board (also called ERC or clock) to fix the problem. In case you will have to buy a replacement part you may contact Sears for the replacement part at 1-800-252-1698; M-F 6:30 AM-10:30 PM - Sat 7:00 AM-9:30 PM - Sun 7:30 AM-9:30 PM - All times Central.

Hope this helps.

Thank you for using FixYa.


Feb 06, 2011 | KitchenAid KHMS2050S 1200 Watts Microwave...

1 Answer

My new Whirlpool Microwave oven is now showing an F7 on the screen and will only turn on for 3 seconds. What should I do?


Hi and welcome to FixYa, I am Kelly.

The F7 = HV SMPS feedback error. Most of the time this is a costly microprocessor board issue but can be something as simple as a loose or broken wire.

If it is in fact new you should contact Whirlpool for warranty service. Anything you would do as a consumer will void the warranty. First make sure your microwave is registerd via this link where it says "Register your product" http://www.whirlpool.com/custserv/index.jsp

Then using that same link you can schedule service or find out where your nearest carry in service center is.
Online Service Scheduling:
https://www.whirlpool.com/service/error.jsp?country=US&lang=en&brand=WP

CONTACT WHIRLPOOL
(866) 698-2538
Mon-Fri: 8am - 10pm (EDT)
Sat: 12pm - 5pm (EDT)

email: http://www.whirlpool.com/custserv/email_form.jsp


If the unit is second hand or out of warranty please include the model number in your next response.

Thanks for choosing FixYa,

Kelly

Dec 21, 2010 | Whirlpool Microwave Ovens

1 Answer

My kenmore elite microwave when turned on shows a f7 error code.


f7 keeps showing up and the microwave keeps cutting off,f7 code shows up. what do i do

Oct 26, 2010 | Kenmore 68361 Microwave Oven

1 Answer

F7 ERROR CODE ON GH6177XPS


This is a known problem with this unit, and whirlpool has put out a Service Flash out on this. The reason this is happening is Electrical circuit interruption between the L1 and Neutral in the microwave invert circuit. This has to be addressed by a Tech.

DrakeTech

Dec 24, 2009 | Whirlpool GH6177XPS Microwave Oven

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