Haier · Ductless Split Air Conditioners
The outdoor unit's LED1 flashes seven times, indicating that the compressor has either locked up or temporarily stopped functioning.
Click steps to track your progress.
Turn off the AC unit at the main power supply immediately and wait at least 30 minutes.
Ensure there are no obstructions around the outdoor unit that could hinder proper operation.
Restart the unit. If the error reoccurs, contact a qualified AC technician.