mypros+
Error code reference

Electrolux Dryer Error Code HA

Line safe relay short circuit error.

Electrolux codesElectrolux dryer codes

Line safe relay short circuit error.

First step from the service manual

Line safe relay problem — replace main board.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for HA.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What HA means on a Electrolux dryer

The HA error code on an Electrolux dryer indicates a line safe relay short circuit error within the main control board. The line safe relay is a critical safety component integrated into the main board that controls power flow to the dryer's heating circuit. When the control system detects that this relay has developed an internal short circuit, it triggers the HA fault to prevent unsafe operation, such as uncontrolled or continuous heating that could pose a fire hazard.

A short circuit in the line safe relay means the relay contacts have fused or failed in a closed position, or the relay driver circuitry on the board has failed in a way that mimics a shorted state. Unlike an open circuit failure, a shorted relay can allow current to pass through continuously without the control board being able to interrupt it. This is why the dryer's firmware treats this condition as a critical fault requiring immediate shutdown rather than a recoverable error.

Because the line safe relay is a component soldered directly onto the main control board rather than a standalone serviceable part, the correct repair approach is full replacement of the main control board. Attempting to diagnose individual relay resistance or continuity without specialized electronics equipment is not practical in the field. Once a HA code appears, board replacement is the standard and recommended corrective action.

Source: manufacturer service documentation.

Common causes of HA

  1. 01

    Failed line safe relay on main control board

    Part replacement

    The relay integrated into the main board has shorted internally, causing the control system to detect an uncontrolled closed circuit. This is the primary cause of the HA code and requires full main board replacement.

  2. 02

    Main control board relay driver circuit failure

    Part replacement

    The transistor or driver circuitry on the board that controls the relay can fail and produce a signal that the control system interprets as a relay short. This is also resolved by replacing the main control board.

  3. 03

    Control board damage from power surge

    Part replacement

    A voltage spike or power surge from the home electrical supply can damage relay components on the main board, causing an internal short to develop. Evidence of surge damage may appear as burn marks or discoloration on the board.

  4. 04

    Moisture or contamination on the control board

    Part replacement

    Moisture intrusion or lint accumulation on the board surface can cause unintended electrical paths that trigger a false relay short detection. Inspecting the board for visible contamination is a useful preliminary step.

See the test procedure for each cause

Frequently asked questions about HA

What does HA mean on a Electrolux dryer?
The HA code on an Electrolux dryer indicates a line safe relay short circuit error. The line safe relay is a safety component on the main control board that regulates power to the heating circuit. When a short circuit is detected in this relay, the dryer shuts down to prevent unsafe continuous heating. The fix requires replacing the main control board.
Can I fix the HA error on my Electrolux dryer myself?
The HA error requires replacing the main control board, as the line safe relay is soldered directly onto it and cannot be serviced as a standalone part. A technically experienced DIYer comfortable with appliance disassembly and board replacement can perform this repair. If you are not comfortable working with electrical components, a qualified technician is recommended. Always disconnect power to the dryer before beginning any repair work.
Is the HA error on an Electrolux dryer a safety hazard?
Yes, the HA error is treated as a safety-critical fault because a shorted line safe relay can allow uncontrolled power flow to the heating circuit. The dryer's control system shuts down operation specifically to prevent this unsafe condition. You should not attempt to bypass or ignore this error and should stop using the dryer until the main control board has been replaced.
Will resetting my Electrolux dryer clear the HA error code?
Resetting the dryer by unplugging it or cycling the power will not permanently clear the HA error because the fault is caused by a hardware failure in the main control board. The code will return as soon as the dryer attempts to operate and the control system re-detects the shorted relay. A board replacement is required to resolve the fault.
How much does it cost to repair the HA error on an Electrolux dryer?
Repair costs depend on the price of the replacement main control board and whether you hire a technician. Main control boards for Electrolux dryers typically range from $100 to $250 or more depending on the model. Professional labor can add another $80 to $150. A DIY repair with a purchased board is the more economical option if you have the technical confidence to complete it.

Related Electrolux dryer codes

All Electrolux dryer codes
View all 209 Electrolux dryer codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass