Haier · Air Conditioners
The indoor and outdoor units are unable to communicate with each other. This can be caused by issues with the control boards or the wiring connecting them.
Click steps to track your progress.
Turn off the air conditioner at the main power switch or circuit breaker.
Wait for at least 30 seconds, then turn the power back on.
If the problem persists, contact a qualified technician for further diagnosis and repair.