Question about Whirlpool GH5184XPQ Microwave Oven

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F7 Error We have a whirlpool microwave GH5184XPS-4. We have taken off the contol panel and resoldered loose parts where the board has been scorched. Still the same problem. Cannot find service manual and/or schematic

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This is schematic:
http://www.servicematters.com/docs/wiring/wiring_main.htm
But your correct model # is: GH5184XPS4

F7 Power to magnetron
interrupted
1. Check the door, hinge and cavity front alignment. Adjust as needed.
2. Check the operation of all interlock switches.
3. To check the over-temperature protection for the magnetron, unplug
microwave oven or disconnect power.
4. After 40 seconds, check to see whether this solves the problem.
5. If this solves the problem, check the cooling fan for proper operation or
blockage.
6. Unplug microwave oven or disconnect power.
7. Check resistance of the magnetron thermostat. It should be close to
0 ohms. If necessary, replace magnetron thermostat.
8. Check that the control cable to the 1100 watt inverter is correctly connected
to plug P2 on the display PCB. If necessary, adjust or reconnect.
9. If interlock switches operate correctly, replace 1100W inverter.
10. If problem persists, replace electronic control.
11. Plug in microwave oven or reconnect power.

Posted on Dec 07, 2008

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How CAN i TEST MY MICROWAVE?


Most common cause of an F7 code on these models is a bad inverter or magnetron. Generally it is best to replace both the magnetron and the 1100 watt inverter board at the same time, since a bad magnetron is usually what burns out the inverter board.

Jul 24, 2014 | Whirlpool Gold GH5184XPS 1.8 Cu. Ft. Over...

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

1 Answer

Whirlpool GH5184XPS-7 microwave oven dead, no power.


The problem is in the magnetron or the inverter board.

May 27, 2012 | 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

Works for approx 30 secs then it cuts off with a error Code F7 message.


Assuming yours is a model KHMS2050SSS0, here is what the technical sheet says about the F7 error code:

1. Unplug microwave oven or disconnect power.
2. After 40 seconds, check to see whether this solves the problem.
3. Unplug microwave oven or disconnect power.
4. Check cooling fan operation
5. Check the magnetron.
6. Check P65 connection on the relay control board.
7. Check the P56/P66 connection between relay board and relay control board.
8. Check wiring to the 1200W inverter and control system. See “Checking Inverters.”
9. Check operation of all interlock switches.
10. Replace all parts and panels before operating.
11. Plug in microwave oven or reconnect power.
12. Check voltage at 4903-1 on relay board. If it is 120, unplug microwave oven or disconnect power.
13. Replace inverter.
14. Replace all parts and panels before operating.
15. Plug in microwave oven or reconnect power.
16. If problem persists, unplug microwave oven or disconnect power.
17. Replace relay control board.
18. Replace all parts and panels before operating.
19. Plug in microwave oven or reconnect power.
20. If problem persists, unplug microwave oven or disconnect power.
21. Check for reversed plug connection on controls or loose wiring.
22. Replace all parts and panels before operating.
23. Plug in microwave oven or reconnect power.

(This troubleshooting guide presumes one does not know how to test electronic components. That's why they say to replace and part and check it again.)

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

If yours is a different model number, please reply back.

May 26, 2009 | KitchenAid KHMS2050SSS Microwave Oven

1 Answer

Whirlpool gh5184xps-4


type in the same info you just typed, in your browser and see what happens.

Dec 07, 2008 | Whirlpool GH5184XPQ Microwave Oven

1 Answer

We have a whirlpool GH5184XPS-4 microwave that we are getting an F7 error on. We removed control panel and parts of the board were scorched. we resoldered in loose parts still have smae problem


From the technical sheet usually located behind the control panel or grille:

F7 Power to magnetron interrupted

1. Check the door, hinge and cavity front alignment. Adjust as needed.

2. Check the operation of all interlock switches.

3. To check the over-temperature protection for the magnetron, unplug microwave oven or disconnect power.

4. After 40 seconds, check to see whether this solves the problem.

5. If this solves the problem, check the cooling fan for proper operation or blockage.

6. Unplug microwave oven or disconnect power.

7. Check resistance of the magnetron thermostat. It should be close to 0 ohms. If necessary, replace magnetron thermostat.

8. Check that the control cable to the 1100 watt inverter is correctly connected to plug P2 on the display PCB. If necessary, adjust or reconnect.

9. If interlock switches operate correctly, replace 1100W inverter.

10. If problem persists, replace electronic control.

11. Plug in microwave oven or reconnect power.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Dec 06, 2008 | Whirlpool GH5184XPQ Microwave Oven

1 Answer

Whirlpool microwave oven


There should also 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 says:

F7 Power to magnetron interrupted

1. Unplug microwave oven or disconnect power.
2. After 40 seconds, check to see whether this solves the problem.
3. Unplug microwave oven or disconnect power.
4. Check cooling fan operation
5. Check the magnetron.
6. Check P65 connection on the relay control board.
7. Check the P56/P66 connection between relay board and relay control board.
8. Check wiring to the 1200W inverter and control system. See “Checking Inverters.”
9. Check operation of all interlock switches.
10. Replace all parts and panels before operating.
11. Plug in microwave oven or reconnect power.
12. Check voltage at 4903-1 on relay board. If it is 120, unplug microwave oven or disconnect power.
13. Replace inverter.
14. Replace all parts and panels before operating.
15. Plug in microwave oven or reconnect power.
16. If problem persists, unplug microwave oven or disconnect power.
17. Replace relay control board.
18. Replace all parts and panels before operating.
19. Plug in microwave oven or reconnect power.
20. If problem persists, unplug microwave oven or disconnect power.
21. Check for reversed plug connection on controls or loose wiring.
22. Replace all parts and panels before operating.
23. Plug in microwave oven or reconnect power.

If for some reason your tech sheet is not there, you can download it here.

We regularly repair control units for customers nationwide by mail for $39.95 postpaid in about a week with a one-year guarantee.

Feel free to contact me directly (and please remind me of your full model number) for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Nov 30, 2008 | Whirlpool GH4155XP Microwave Oven

4 Answers

GH7208XR Error Code #7


Behind the right front corner faceplate is a bag with the tech support info.
I used this and went through all the troubleshooting and got to the power inverter board. This board has the 2 red wires out of it that go to the magnetron. Instead of replacing the whole inverter module , I examined all the components on it. I found that there are 2 high voltage rectifier diodes attached to the transformer and 1 of them was not testing good. The diodes are UXC2B diodes.. Just clipped out the bad one and soldered in a new one.
Hope this helps..

Dec 21, 2007 | Whirlpool GH7208XR Convection / Microwave...

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