Voltage drop / Low speed protective control — RUN LED flashes 5 times, TIMER LED flashes 9 times

What does 59 mean?

The unit detected a voltage drop during operation or the compressor command speed was lower than 32 rps for 60 minutes, leading to the activation of protective control.

• Unstable or low power source voltage supplying the unit
• Faulty compressor or issues preventing it from maintaining commanded speed

Click steps to track your progress.

1. 1

   Check the stability of the main power supply voltage to the unit during operation; look for noticeable fluctuations.

2. 2

   Ensure the power circuit connected to the AC unit is not overloaded by other appliances.

3. 3

   If voltage drops are frequent, consider consulting an electrician to check your home's electrical system.

4. 4

   If the power supply is stable, the compressor or its control components may be faulty and require professional inspection.