Midea MFA3T-96CRN1, Техническое и сервисное руководство

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MCAC-UTSM-201707 Midea R410A T3 50Hz Top-discharge Series
86

The transmitting symbol
”▲” does not blink.
Symptom Check item Cause
Pressing ON/OFF
button, the remote
controller signal
cannot be
transmitted.
Check whether the batteries of
remote controller are low.
When the batteries are exhausted, the
signals cannot be transmitted.

The temperature indicator does not light up.
Symptom Check item Cause
The temperature
indicator does not
light up.
Check whether the mode
marked on the screen is Supply
air.
In the Supply air mode, the temperature
cannot be set.

The display disappears.
Symptom Check item Cause
After a while the
ON/OFF display
disappears.
Check whether the time set on
the timer has expired.
The air conditioner stops running
because the set time has expired.
After a while the
TIMING ON display
disappears.
Check whether the time set on
the 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.

No sound of receiving signal.
Symptom Check item Cause
Pressing the
ON/OFF button, the
air conditioner does
not raise the
receiving tone.
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.
Align the signal transmitting part of the
remote controller with the receiving
part of the indoor unit. Then press the
ON/OFF button repeatedly.
Check whether the power switch
of the air conditioner is
connected properly.
The air conditioner cannot receive the
signals of the remote controller,
because it is shut down.