Indoor unit 10-time blink — Low discharge temperature protection (Recall Function)

What does Indoor unit 10-time blink mean?

The indoor unit's upper lamp blinks 10 times, indicating that the discharge temperature thermistor has been 50°C or less for 20 minutes, triggering low discharge temperature protection.

• Low discharge temperature thermistor reading for extended period
• LEV (Linear Expansion Valve) malfunction
• Refrigerant circuit issue
• Incorrect refrigerant amount

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main circuit breaker.

2. 2

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

3. 3

   If the error reoccurs, a qualified technician should check the refrigerant circuit and refrigerant amount, and inspect the LEV.