Left lamp flashes 2 times — Indoor coil or room temperature thermistor error

What does 2 (2-time flash) mean?

The left Operation Indicator lamp flashes twice, followed by a 2.5-second off period. This indicates an issue with either the indoor coil thermistor or the room temperature thermistor, suggesting a short or open circuit in one of these temperature sensors.

• Short circuit in the indoor coil thermistor.
• Open circuit in the indoor coil thermistor.
• Short circuit in the room temperature thermistor.
• Open circuit in the room temperature thermistor.

Click steps to track your progress.

1. 1

   Turn off the main power supply to the unit for at least 30 seconds to attempt a system reset.

2. 2

   Turn the power supply back on and observe if the error reappears.

3. 3

   If the error persists, there may be an issue with the indoor coil thermistor or room temperature thermistor, which typically requires inspection and repair by a qualified service technician.