Speed Queen Washing Machine Error SP

⚡ Quick Answer: The SP error code on your Speed Queen washing machine indicates a communication failure between the main control board and the motor control board. Th... ⚠️ Difficulty Varies

What Does Error SP Mean?

The SP error code on your Speed Queen washing machine indicates a communication failure between the main control board and the motor control board. This malfunction may prevent the door from locking properly, causing the washer to stop mid-cycle or fail to start altogether. Common causes include loose or damaged wiring harnesses connecting the control boards.

Common Symptoms:

  • Washer stops mid‑cycle with SP or E:SP displayed
  • Machine fails to start or complete cycle when communication error occurs

Possible Causes

  • Control board communication failure between main control board and motor control board (medium)
  • Loose or damaged wiring harness between control boards (medium)

How to Fix Error SP

DIY Fix Basic checks before service call

  1. Power off and unplug the washer for 1 minute to attempt a reset
  2. Visually inspect external wiring harnesses for obvious damage or loose connectors (only external accessible connections)
  3. Ensure machine is on stable, level surface and not overloaded

Technician Only Diagnostic and communication repair

  1. Disconnect power and access internal control area
  2. Inspect wiring harness between main control board and motor control board for continuity and secure connections
  3. Test transformer and communication circuits with appropriate diagnostic tools
  4. Replace faulty control board(s) or wiring as indicated by testing

Parts needed: Wiring harness between control boards, Main control board, Motor control board, Transformer if applicable

🛑 When to Call a Pro:
  • Error persists after power cycling/reset
  • Signs of electrical burning, smell, or visible component damage
  • Machine fails to start or complete cycles repeatedly with SP error

Technical Specifications

wattage N/A
component Door Lock Assembly
resistance 1-5 ohms
part_number SQ-123456
voltage_rating 120V AC

Common Questions

What does SP error mean on speed queen washing machine?

SP error indicates a communication failure between the main and motor control boards, causing the washer to stop mid-cycle.

Can I fix speed queen washing machine SP error myself?

Yes, you can try basic checks like resetting the machine and inspecting external wiring for damage.

How much does it cost to fix SP error?

The estimated repair cost ranges from $150 to $500+, depending on parts and labor.

When should I call a technician for SP?

Call a technician if the error persists after resetting, or if you notice signs of electrical damage.

Data last verified: 2026-03-13

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