Indoor unit 7-time blink — Outdoor unit nonvolatile memory error

What does Indoor unit 7-time blink mean?

The upper lamp of the indoor unit's OPERATION INDICATOR blinks 7 times. This indicates that the outdoor control system cannot properly read its nonvolatile memory data.

• Corrupted nonvolatile memory data on the outdoor unit's P.C. board

Click steps to track your progress.

1. 1

   Turn off the power to the air conditioner at the circuit breaker.

2. 2

   Wait for a few minutes, then restore power and try to operate the unit.

3. 3

   If the 7-time blink persists, the inverter P.C. board on the outdoor unit may need to be replaced by a service technician.