Whirlpool Front-Load Washer Not Spinning, Spinning Slowly, or Throwing F7/F8 Error Codes? The Motor Control Board Is the Most Common Cause.
The motor control board (MCB) is the dedicated driver for the washer’s drive motor — separate from the main control board. When it fails, the motor loses its speed and torque commands: the drum won’t spin, spins too slowly to extract water, or trips fault codes mid-cycle. The WPW10163007 is the direct-replacement motor control board for Whirlpool WFW84xx/WFW85xx and Maytag MHWZ400/MHWZ600 front-load washers, restoring precise motor drive, correct spin speeds, and reliable cycle completion.
Symptoms of a Failed Washer Motor Control Board
- Washer drum won’t spin at all during spin cycle
- Drum spins slowly — clothes come out soaking wet
- Washer stops mid-cycle during spin or agitation
- F7E1, F7E5, F8E3 or similar motor-related fault codes displayed
- Loud humming or buzzing from motor area with no drum movement
- Washer agitates but won’t reach high spin speed
- Drum reverses direction erratically during wash
- Motor runs briefly then cuts out repeatedly
- Burning smell from motor area during spin attempt
- Washer completes fill and wash but skips spin entirely
Part Details
- Part Number: WPW10163007
- Replaces: 8540540, 8540540R, W10163007
- Type: Washer Motor Control Board (MCB — separate from main control board)
- Compatible Brands: Whirlpool, Maytag
- Compatible Series: Whirlpool WFW8400, WFW8410, WFW8500 · Maytag MHWZ400, MHWZ600
- Condition Options: New (OEM) · Used (Certified Pre-Owned, tested)
- Function: Drives the washer motor — controls spin speed, torque, direction, and motor protection
Motor control board failures are often misdiagnosed. Before ordering, inspect the stator winding resistance (should be ~6–6.5 Ω between each pair of leads — an open or shorted winding means the stator is the problem, not the board) and check the rotor hall sensor (a failed hall sensor sends bad speed signals that cause the MCB to fault out). Also verify the main control board is sending correct commands to the MCB — a failed main board can make the MCB appear faulty. Replacing the MCB without ruling these out risks installing a working board into a machine that will fault again immediately.
Installation Notes
- Skill Level: Advanced — requires front panel removal and access to the motor drive area
- Unplug the washer from the wall before starting — motor control boards carry high-voltage DC
- Photograph all harness connector positions before disconnecting — MCB connectors are not interchangeable
- Handle the PCB carefully — avoid static discharge; do not touch board traces or components
- Verify all connectors click fully into place — a partially seated connector causes intermittent faults
- Run a full spin diagnostic cycle after installation to confirm motor speed and direction are correct
- If fault codes return after replacement, diagnose stator, rotor, and main control board before assuming the new MCB is defective
Compatible Models
11047511700, 11047511701, 11047512600–04, 11047531700, 11047531701, 11047532600–04, 11047542600–04, 11047561600–03, 11047562700, 11047566600–03, 11047567700, 11047567701, 11047571600–03, 11047572700, 11047576600–03, 11047577700, 11047577701, 11047581600–03, MHWZ400TB00, MHWZ400TB01, MHWZ400TQ00, MHWZ400TQ01, MHWZ600TB00, MHWZ600TB01, MHWZ600TE00, MHWZ600TK00, MHWZ600TK01, MHWZ600TW00, MHWZ600TW01, MWFW8500SR01, MWFW8500SR02, WFW8400TB00, WFW8400TB01, WFW8400TE00, WFW8400TW00–02, WFW8410SW0, WFW8410SW01, WFW8410SW02, WFW8500SR0, WFW8500SR00–03
New vs. Used — Which Option Is Right for You?
The New variant is a fresh OEM-spec motor control board — ideal for full service life and peace of mind. The Used variant is a Certified Pre-Owned board pulled from a working unit and tested before sale — a practical choice for older appliances or when cost is a priority. Both options ship from XPart Supply Ltd. in Canada.
✓ Model-Specific Repair Pages
✅Compatibility & Cross Reference
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.
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