Error code reference

Maytag Dishwasher Error Code 7-1

No heat: heater circuit problem: open in heater, open connection or component in Heater Circuit, or faulty heater drive circuit on control.

SourceMaytag Dishwasher MDB4630AWW5 - Tech SheetService Error Codes Table

Diagnostic procedure

The full 7-1 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
1. Check operation of heater in Service Diagnostics cycle. 2. Unplug dishwasher or disconnect power. 3. Measure resistance of heater and all components and connections in Water Heating Circuit/Heat Dry Circuit.

SourceMaytag Dishwasher MDB4630AWW5 - Tech SheetService Error Codes Table

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

1 manual in the MyPros+ library documents this code for Maytag dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

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