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Error code reference

Electrolux Dryer Error Code HF/BF

Line safe sensing error.

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What the HF/BF error code actually means

Your Electrolux dryer has detected a problem with how it is reading the electrical power coming into the machine. This could mean there is an issue with the dryer's main computer board, or it could point to a problem with the electrical supply in your home. Until this is resolved, the dryer will not operate normally.

Diagnostic procedure

The full HF/BF procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Replace Main Board
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of HF/BF

Ranked by how often they cause this code
  1. 1Failed Main Control Board
  2. 2Tripped or Weak Circuit Breaker
  3. 3Faulty or Loose Power Connection at Terminal Block
  4. 4Damaged Power Cord
  5. 5Neutral Wiring Issue in Home Electrical Supply

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Questions people ask about HF/BF

What does HF/BF mean on a Electrolux dryer?
The HF/BF code on an Electrolux dryer signals a line safe sensing error, meaning the main control board has detected a problem with the incoming AC power signal. The board monitors line voltage as a protective function, and when it cannot read a valid signal, it stops operation and displays this code. The issue can originate in the board's own sensing circuitry or in the electrical supply feeding the dryer.
Is it safe to use my dryer when the HF/BF code is showing?
You should not attempt to use the dryer while this error is active. The HF/BF code is specifically a line safety error, meaning the dryer's own protective system has flagged a concern with the incoming electrical supply. Continuing to operate the appliance before diagnosing the root cause could risk damage to internal components or, if the issue is a wiring fault, present a safety hazard.
How much does it cost to repair a HF/BF error on an Electrolux dryer?
If the repair requires a new main control board, parts alone typically range from around $80 to $250 or more depending on the specific model, with professional labor adding another $75 to $150 in most markets. If the issue turns out to be a loose connection, damaged power cord, or a tripped breaker, the cost can be significantly lower. Getting a diagnostic visit from a technician before ordering parts is usually worthwhile to confirm the root cause.
Can I fix the HF/BF error myself?
Some basic checks are within reach for a knowledgeable DIYer, including inspecting the circuit breaker, checking the power cord for visible damage, and verifying that terminal block connections are secure. However, if those checks do not resolve the error, the repair requires replacing the main control board, which involves working with high-voltage components and is best handled by a qualified technician.
Will resetting the dryer clear the HF/BF error?
Unplugging the dryer for a few minutes and restoring power may temporarily clear the code, but it will return if the underlying cause is not corrected. If the main control board's sensing circuit has failed, or if there is a genuine power supply problem, the error will reappear as soon as the dryer attempts to operate again. A reset is a useful first step to confirm the error is persistent, but it is not a fix.

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