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Error code reference

Maytag Microwave Error Code E62

Sensor shorted error.

Maytag codesMaytag microwave codes

Sensor shorted error.

First step from the service manual

Check if sensor is shorted or replace PCB assembly.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
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What E62 means on a Maytag microwave

E62 on a Maytag microwave indicates the control board has detected a short circuit in the humidity or moisture sensor circuit. The PCB assembly continuously monitors sensor resistance during cooking cycles; when it reads a value that falls outside the acceptable range due to a shorted condition, it triggers E62 and halts operation. The two primary paths to resolution are confirming a fault in the sensor itself or replacing the PCB assembly if the sensor checks out.

For homeowners, the sensor involved is a small component that detects steam or humidity inside the microwave cavity, allowing the oven to automatically adjust cook times. When this sensor shorts out, it sends an abnormal electrical signal to the control board, which responds by displaying E62 and stopping the microwave from running. This is a protective response to prevent the appliance from operating with faulty input data.

The fault can originate at the sensor itself, the wiring connecting it to the board, or the PCB assembly. Diagnosis involves checking the sensor's resistance with a multimeter and inspecting the wiring harness for damage, pinched wires, or moisture intrusion before committing to a part replacement.

Source: manufacturer service documentation.

Common causes of E62

  1. 01

    Shorted humidity or moisture sensor

    Part replacement

    The sensor itself has failed internally, creating a short circuit that sends an out-of-range signal to the PCB. This is the most common cause and typically requires sensor replacement to resolve.

  2. 02

    Damaged wiring harness between sensor and PCB

    Part replacement

    Pinched, burned, or moisture-damaged wiring connecting the sensor to the control board can create a short circuit that mimics a failed sensor. Inspecting the harness for visible damage or continuity faults is a necessary diagnostic step.

  3. 03

    Moisture intrusion into sensor connector

    Wiring / connection

    Steam or liquid contamination inside the sensor connector can cause a temporary or permanent short. Cleaning and thoroughly drying the connector may resolve the error if the sensor and board are otherwise functional.

  4. 04

    Faulty PCB assembly

    Part replacement

    If the sensor and wiring test within spec, the PCB assembly itself may be misreading the sensor circuit due to an internal component failure. Replacing the PCB assembly is the corrective action when all other components check out.

See the test procedure for each cause

Frequently asked questions about E62

What does E62 mean on a Maytag microwave?
E62 means the control board has detected a shorted sensor circuit. The humidity or moisture sensor is sending an abnormal electrical signal, which causes the microwave to stop operating and display this code. The fault can be in the sensor itself, the wiring harness, or the PCB assembly.
How do I fix E62 on a Maytag microwave?
Start by unplugging the microwave and locating the humidity sensor, then use a multimeter to check the sensor for a short circuit. Inspect the wiring harness for damage or moisture in the connector. If the sensor is shorted, replace it. If the sensor tests fine, the PCB assembly is the next component to replace. This repair involves working inside the microwave cabinet, so if you are not comfortable with appliance disassembly and electrical testing, a qualified technician is advisable.
Can I still use my Maytag microwave while E62 is displayed?
No. When E62 is active, the microwave will not operate because the control board has shut down the unit in response to the sensor fault. Attempting to bypass or ignore the error is not advisable, as the sensor is part of the cooking control system and its failure means the microwave cannot regulate cook cycles correctly.
How much does it cost to fix E62 on a Maytag microwave?
If the humidity sensor is the cause, replacement sensors typically range from $20 to $60 for the part. A PCB assembly costs more, often between $80 and $200 depending on the model. Add $75 to $150 for labor if you use a technician. DIY repair is feasible for those comfortable with multimeter testing and appliance disassembly, and can keep total costs to just the part price.
Is E62 on a Maytag microwave a sensor problem or a board problem?
E62 can be caused by either. The first step is to test the sensor directly with a multimeter to determine whether it is actually shorted. If the sensor resistance is within spec, the PCB assembly is the likely cause. Testing the sensor before replacing the board avoids an unnecessary and more expensive repair.

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