Haier · Ductless Split Air Conditioners
The outdoor unit's LED1 flashes three times, indicating that the AC electricity supply to the outdoor unit has triggered an overcurrent protection.
Click steps to track your progress.
Immediately turn off the air conditioner at its main power switch or circuit breaker.
Wait for at least 15 minutes before attempting to power the unit back on.
Check the circuit breaker panel to see if the AC's breaker has tripped; reset it if it has.
If the problem reoccurs, contact a qualified electrician or AC technician.