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Error Codes - Microwave

Operation Cooking Appliances Last Updated 02/26/2018
Error Codes - Microwave

Error codes help technicians identify what may affect the microwaves functionality.

See below a list of possible errors:

Error code Likely Failure Condition Tech Details
F1 Thermistor Open No heat or thermistor sensing error.
F2 Thermistor short for cooking No heat in 10 seconds after cooking starts.
F3 Thermistor short after cooking Thermistor temp. does not go down after cooking ends.
F4 Sensor open Humidity sensor sensing error.
F5 Damper switch Damper switch sensing error.

To remove the error code, let's reset the uinit:

  1. Unplug the unit from the wall outlet, or trip the circuit breaker to cut power to the machine.
  2. Allow the machine to remain unplugged for 10 - 15 seconds.
  3. Restore power to the unit.
  4. Add a 8 oz. "microwave safe" cup full of water to the unit. Run a time cooked setting for 30 seconds. If the error code represents the unit will require service.

If the error code persists, the unit will require Repair Service.

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