F15
Hotpoint-Ariston
Dryer Heater Relay Stuck / Dryer Control Fault
Dryer function locked out; drying will not start; F15 displayed.
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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
Stuck dryer heater relay on main board, Shorted dryer heater, Faulty dryer control circuitry on PCB
How to Fix / Troubleshooting
Safety: Disconnect power and allow the unit to cool.
- Check dryer heater for shorts:
- Access the dryer heater assembly.
- Disconnect heater wires and measure resistance to earth; any continuity indicates a short and the heater must be replaced.
- Inspect wiring: Look for melted insulation or burnt connectors around the heater and control board.
- Control board inspection:
- Remove the main control board.
- Look for a stuck or burnt relay associated with the dryer heater circuit.
- Replace components as needed: If the heater is shorted, replace it. If the relay or PCB is damaged, replace the main control board.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board (Dryer Heater Relay)
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