MHI · Air Conditioning
When sending settings from the remote control to the air conditioner, you should hear three beeps from the indoor unit. If you do not hear these beeps, the settings were not received by the air conditioner.
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Ensure the remote control is pointed directly at the air conditioner's signal receiver.
Press the PROGRAM button again to re-send the settings.
Check and replace remote control batteries if the display is fading or signals are not consistently received.