Maytag Microwave Error Code Err6

Err6 means the control board has detected a failure in the high voltage (H.V.) board. The H.V. board converts standard household power into the high voltage needed to operate the magnetron, which is what actually heats your food. When this board fails, the microwave cannot heat properly and displays Err6 to indicate the fault.

The repair requires replacing the high voltage board. Before attempting this, unplug the microwave and discharge the high voltage capacitor, which can hold a lethal electrical charge even after the unit is unplugged. If you are not experienced with high voltage appliance repair, this job is best handled by a qualified technician. If you are comfortable with the safety steps, the H.V. board is a serviceable part that can be replaced with the correct model-specific component.

Unplugging the microwave for a few minutes may temporarily clear the display, but Err6 will return if the H.V. board has a genuine failure. This code reflects a hardware fault, not a software glitch, so a reset does not fix the underlying problem. The H.V. board needs to be inspected and replaced to resolve the error permanently.

No, you should not continue using the microwave while Err6 is active. A failed H.V. board means the high voltage circuit is not operating correctly, which can create a risk of further electrical damage or unsafe operation. Stop using the unit and unplug it until the H.V. board has been inspected and replaced.

The H.V. board part itself typically ranges from $40 to $120 depending on the specific Maytag model. If you hire a technician, labor will add $80 to $150 or more, bringing the total repair to $120 to $270 in most cases. Given that mid-range microwaves can cost $150 to $300 new, it is worth comparing the repair cost against the age and model of your unit before proceeding.