P4 - Malfunction of radiation fin temperature sensor (Outdoor Unit)

Was bedeutet P4 ?

The temperature sensor monitoring the radiation fins in the outdoor unit has detected an issue.

• Faulty radiation fin sensor
• Wiring problem
• Overheating of the fins

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Turn off the unit's power supply.

2. 2

   Ensure the outdoor unit's vents are clear of obstructions.

3. 3

   Restore power and check if the error clears.

4. 4

   If the error persists, a technician needs to inspect the sensor.