E14
Husqvarna
Inline Heater Circuit Fault
Display shows E14; heater (if equipped) does not function or overheats
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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
Failed inline heater element, Open thermal fuse on heater, Faulty heater relay on PCB, Temperature sensor failure on heater block
How to Fix / Troubleshooting
Safety: Unplug the Husqvarna carpet cleaner and allow the heater to cool completely. Risk of burns and electric shock.
- Access heater assembly: The inline heater is usually located in the solution path. Remove covers to expose the heater block and wiring.
- Test heater element: Disconnect heater leads and measure resistance with a multimeter. An open circuit indicates a failed element that must be replaced.
- Check thermal fuse and thermostat: Many heaters include a one-shot thermal fuse and a resettable thermostat. Test continuity; replace any open thermal fuse with the exact Husqvarna-specified part.
- Inspect wiring and relay: Check for burnt connectors or melted insulation. If the heater tests good but never energizes, the heater relay or triac on the main PCB may be faulty.
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Repair Difficulty
Professional Required
5/5
Required Part
Inline Heater Assembly
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