Midea MTA-76C(H)RN1 Technical Manual page 106

Midea R410A T3 Top-discharge Split Type Series 50Hz

The display disappears.
Symptom
After a while the
ON/OFF display
disappears.
After a while the
TIMING ON display
disappears.

No sound of receiving signal.
Symptom
Pressing the
ON/OFF button, the
air conditioner does
not raise the
receiving tone.
The buttons of the
remote controller do
not work.
105
Check item
Check whether the time set on
the timer has expired.
Check whether the time set on
the time has expired.
Check item
When the ON/OFF button is
pressed, check whether the
signal transmitting part of the
remote controller is aligned with
the receiving part of the indoor
unit.
Check whether the power switch
of the air conditioner is
connected properly.
Check whether the lock icon is in
the screen of the remote
controller.
MCAC-UTSM-201501
Cause
The air conditioner stops running
because the set time has expired.
When it comes to the set time of
starting operation of the air conditioner,
the air conditioner will start running
automatically, and the corresponding
display will disappear.
Cause
Align the signal transmitting part of the
remote controller with the receiving part
of the indoor unit. Then press the
ON/OFF button repeatedly.
The air conditioner cannot receive the
signals of the remote controller,
because it is shut down.
Lock the buttons.