Galanz Convection / Grill Sensor or Thermostat Error

Microwave shows F4 and stops; may be related to convection or grill functions.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Open grill thermostat, Open convection thermostat, Failed overheat sensor, Wiring fault to heater sensors

Safety: Unplug and allow the unit to cool before inspection.

Steps:

1. Cooldown: Wait until all internal parts are cool to the touch.
2. Access thermostats: Remove the outer cabinet and locate thermostats on the grill element and convection heater housing.
3. Test for continuity: Disconnect wires and check each thermostat with a multimeter. Replace any that are open at room temperature.
4. Inspect wiring: Repair or replace any burnt or brittle wires around the heaters.

Hard 4/5

Grill Thermostat or Convection Thermostat

Check Price on Amazon

We may earn a commission from links on this page.