POWER lamp 2-time flash — Room temperature or indoor coil thermistor trouble (normal troubleshooting)

What does POWER lamp 2-time flash - Normal Troubleshooting mean?

During normal operation troubleshooting, the POWER lamp flashes two times. This indicates a problem with either the room temperature thermistor or the indoor coil thermistor.

• Room temperature thermistor malfunction
• Indoor coil thermistor malfunction

Click steps to track your progress.

1. 1

   Check the room temperature thermistor and indoor coil thermistor for proper connection and function.

2. 2

   Refer to 10-7. 'Test point diagram and voltage' for diagnostic steps, which may require a technician.

3. 3

   Contact an authorized service technician for further diagnosis if the issue persists.