Code overview
- Error code
- E21
- Appliance
- Microwave
E21 on a Maytag over-the-range microwave: the thermal sensor circuit reported open to the control board.
What this code means
E21
The Thermal Sensor circuit reported open to the control board.
Your Maytag over-the-range microwave shows E21 when the thermal sensor circuit has reported open to the control board. The thermal sensor, the appliance control board or the associated wiring may be the cause.
Reset the power first
Turn the breaker off for one minute and then on. Wait one minute with the microwave in view to make sure E21 does not come back, and verify that the microwave works.
A code that returns should go to a technician.
Related codes
E22 is the shorted version of the thermal sensor circuit, and E23 lists the heater, the control board or wiring.
Book Maytag Microwave service in Los Angeles
Ready to hand this to a technician? Call (310) 882-7671 about your Maytag Microwave in Los Angeles and mention E21, the model number and what you tried first. Our Microwave repair page has more.
Source: E21 – Error Code – Over-the-Range Microwave – Maytag Product Help
Safety warning
Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Sources & references
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