Left lamp blinks 2-time 2.5-second OFF — Indoor coil or room temperature thermistor short or open circuit

What does Left lamp blinks 2-time 2.5-second OFF mean?

The left lamp of the OPERATION INDICATOR blinks two times, followed by a 2.5-second pause. This indicates a short or open circuit in either the indoor coil thermistor or the room temperature thermistor.

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

Click steps to track your progress.

1. 1

   Turn OFF the power supply to the unit.

2. 2

   Refer to the characteristics of the indoor coil thermistor and the room temperature thermistor (Section 9-7).

3. 3

   Consider contacting a qualified technician to check or replace the thermistors.