Mitsubishi Heavy Industries · Packaged Air Conditioners
The silent mode feature can only be activated from the main remote control unit. If you try to set silent mode using a sub-unit remote, the operation will not be successful.
Click steps to track your progress.
Ensure you are using the main remote control unit to set the silent mode.
If you have multiple remote controls, identify the main unit, which is typically configured as the primary control.
Only operate the silent mode setting from the main remote control unit.