E06
Ariston
Indoor Evaporator Coil Temperature Sensor Fault
Unit stops and displays E06; cooling or heating does not start properly.
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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
Open or shorted evaporator NTC sensor, Sensor dislodged from coil, Corroded sensor connector, Faulty indoor PCB sensor circuit
How to Fix / Troubleshooting
Safety first: Disconnect power before removing the indoor unit cover.
- Step 1 – Access evaporator sensor: Remove the front panel and filters. Carefully remove the plastic covers to expose the evaporator coil. The sensor is usually clipped to the coil tubing.
- Step 2 – Check sensor position: Ensure the sensor is firmly clipped to the coil surface. If it has fallen away, reattach it securely to the designated clip point.
- Step 3 – Inspect wiring and connector: Follow the sensor wires back to the indoor PCB. Check for damage and ensure the connector is fully inserted.
- Step 4 – Replace sensor if faulty: If the sensor body is cracked or the wires are damaged, replace with the correct Ariston evaporator NTC sensor.
- Step 5 – Test operation: Restore power and run the unit. If E06 reappears, the indoor PCB may need replacement by a professional.
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Repair Difficulty
Medium
3/5
Required Part
Evaporator Coil Temperature Sensor (Indoor NTC)
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