
14
Cooking Updates
WhirlpoolMicrohood(MHC)Microwave
F7ErrorCode
Model:GMH5205XV*0
An F7 error code means that the magnetron is not operang because somewhere within the
power circuit to the magnetron, there is a break in the circuit. Each of the circled components
within the circuit need to be tested for proper operaon. If these components test correctly,
you will need to perform the following tests.
The15stepprocedurebelowprovidesthevoltageoutputsyouneedtotestfor.
1. Unplug microwave oven or disconnect power.
2. Checked for reversed plug connecon on controls or loose wiring.
3. Aer 40 seconds, plug in microwave oven or reconnect power.
4. If problem persists, test for 120 volts at the Printed Circuit Board Assembly (PCBA)-
MW relay 4903 by compleng the following steps.
5. Unplug microwave oven or disconnect power.
6. Connect voltage measurement equipment.
7. Plug in microwave oven or reconnect power.
Ø If 120 volts is not available at the relay, the source of the problem is before
the PCBA (thermostats, limit, door switches, fuses, etc.).