Simpson Dryer Error E31

⚡ Quick Answer: The Simpson dryer E31 error code indicates a malfunction related to the thermistor, which can lead to improper heating or inconsistent temperature rea... ⚠️ Difficulty Varies

What Does Error E31 Mean?

The Simpson dryer E31 error code indicates a malfunction related to the thermistor, which can lead to improper heating or inconsistent temperature readings. If this error persists, it may be necessary to investigate further, as it could affect the dryer’s overall performance.

Possible Causes

  • Thermistor
  • Wiring issues
  • Control board malfunction

How to Fix Error E31

DIY Fix General dryer troubleshooting

  1. Turn the dryer off and unplug it for a few minutes, then plug it back in to see if the error clears.
  2. Check and clean the lint filter and make sure the dryer vent and exhaust are not blocked (common for many dryer issues).
  3. Ensure the load is not oversized or overly wet, and try a shorter or different drying cycle.

Technician Only Professional diagnostics

  1. Refer to the specific service manual for the exact Simpson dryer model to see if an internal error/timer board diagnostic code table exists.
  2. Check internal wiring, control board connectors, and sensors that might produce a fault code.
  3. Test safety and thermal components (e.g., thermostats, high-limit cut-outs) if overheating or safety trips are suspected.

Parts needed: dryer control board, sensors, wiring harness

🛑 When to Call a Pro:
  • If the dryer repeatedly displays the E31 code and normal resets or lint/vent cleaning do not clear it.
  • If there is unusual noise, burning smell, or overheating – stop using the dryer immediately and contact a qualified technician.

Next step

Choose the next step for E31

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Wiring Harness

Connects controls, sensors, motors, and other electrical components inside the appliance.

$20 - $120 · Medium · 30-90 mins

Check fit & price
Model number required

Model-compatible Dryer parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Dryer Vent Cleaning Kit

Helps remove routine lint buildup from an accessible dryer vent path. It does not diagnose or repair an E-code or failed component.

View maintenance supply
Maintenance supply

Lint Trap Cleaning Brush

A narrow brush for routine cleaning around an accessible lint screen and housing.

View maintenance supply
Maintenance supply

Dryer Vent Hose Kit

A replacement exhaust duct option for visibly crushed or damaged external venting. Check diameter, length, local code, and installation clearance.

View maintenance supply

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Technical Specifications

note The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering.
part_number None

Common Questions

What does E31 error mean on Simpson dryer?

The E31 error indicates a thermistor malfunction, leading to heating issues.

Can I fix Simpson dryer E31 error myself?

Yes, you can try resetting the dryer and checking the lint filter and vent.

How much does it cost to fix E31 error?

The repair cost is variable based on diagnosis and parts needed.

When should I call a technician for E31?

Call a technician if the error persists after troubleshooting or if unusual noises occur.

Sources & References

Data last verified: 2026-07-31

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