F5
Haier Load Detection / Current Sensor Error

Haier dryer shows F5 and may not sense load or may end cycles too quickly

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Faulty current sensor on motor or heater circuit, Loose sensor wiring, Incorrect motor or heater replacement, Defective main control board

How to Fix / Troubleshooting

Safety first: Disconnect power before accessing internal wiring and control boards.

  • Inspect wiring to motor and heater: Check for loose or disconnected wires at the motor, heater, and any current sensor coils or modules.
  • Verify correct parts: If the motor or heater was recently replaced, confirm that the correct Haier parts were installed and that wiring matches the service diagram.
  • Check sensor module: Some models use a current transformer (CT) around a power lead. Ensure it is properly positioned and its connector is secure.
  • Control board replacement: If wiring and sensors appear correct but F5 persists, the main control board may misread current and require replacement.
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Repair Difficulty

Hard 4/5

Required Part

Current Sensor Module
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