FixLens

Error code · Haier

F4 · Drum temperature not changing

The drum temperature is not changing, which may indicate a malfunction in the heating element. Check if the heating element is functioning properly.

DryerCaution — Know When to StopFixLens verified
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Safe first steps

  1. Unplug the dryer from the power outlet to ensure safety before inspection.
  2. Remove the back panel of the dryer to access the heating element.
  3. Inspect the heating element for any visible damage or burn marks.
  4. If the heating element appears damaged, arrange a service visit — do not use the dryer.

When to stop

  • Stop if you see visible damage or burn marks on the heating element — risk of fire.

Likely cause

The drum temperature is not changing, which may indicate a malfunction in the heating element. Check if the heating element is functioning properly.

Verification

Reviewed by: automated manual extraction

Verified against Haier HD80-A2939 technical documentation

FixLens publishes its own structured technical logic verified against Haier HD80-A2939 documentation · last verified April 23, 2026.

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