F33
Maytag
Pump Drive System Error
Washer-dryer combo shows F33 and may not start or may stop during wash.
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Safety Warning
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.
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Possible Causes
Open or shorted drain pump, wiring fault to pump, control board pump driver failure
How to Fix / Troubleshooting
Safety first: Unplug the unit before working on the pump or wiring.
Step-by-step checks:
- 1. Access pump: Remove the lower front or rear panel to reach the drain pump.
- 2. Test pump coil: Disconnect the pump and measure resistance across its terminals. An open circuit indicates a failed pump that must be replaced.
- 3. Inspect wiring: Check the harness from the pump to the control board for burns, breaks, or loose connectors.
- 4. Control board: If the pump and wiring are good but the pump does not receive voltage when commanded, the control board pump driver may be faulty.
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Repair Difficulty
Medium
3/5
Required Part
Drain Pump Assembly
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