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.
I’m happy to help further over the phone at
https://www.6ya.com/expert/vitaliy_f406165329c75ede
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