Left/Upper lamp blinks 6 times with a 2.5-second pause — Outdoor thermistor fault

Was bedeutet Left/Upper lamp blinks 6-time blink, 2.5-second OFF ?

One or more thermistors in the outdoor unit have a short or open circuit while the compressor is running. This affects temperature sensing.

• Outdoor thermistor short circuit
• Outdoor thermistor open circuit
• Faulty outdoor thermistor wiring

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1. 1

   Refer to the outdoor unit's service manual for specific checks on outdoor thermistors.

2. 2

   Inspect the wiring connected to the outdoor thermistors.

3. 3

   If a thermistor is faulty, it will likely need replacement by a qualified technician.