Midea MKG-400 User Manual

MCAC-UTSM-201606 Midea 50Hz AC Fan Coil Unit Two-pipe Wall-mounted Series
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Before asking for serving or repairing, check the following points.
Symptoms
Causes
Solution
The fan speed can not be
changed.
• Check whether the MODE indicated
on the display is “AUTO”.
When the automatic mode is
selected, the air conditioner will
automatically change the fan
speed.
• Protection against hot wind in
cooling mode.
• Protection against cold wind in
heating mode.
Reduce the temperature of inlet in
cooling mode rise the temperature
of inlet in heating mode.
The remote controller signal
is not transmitted even
when the ON/OFF button is
pushed.
• Check whether the batteries in the
remote controller are exhausted.
The power supply is off.
The TEMP. indicator does
not come on.
• Check whether the MODE indicated
on the display is “FAN ONLY”.
The temperature cannot be set
during FAN mode.
The indication on the
display disappears after a
lapse of time.
• Check whether the timer operation
has come to an end when the
“TIMER OFF” is indicated on the
display.
The air conditioner operation will
stop up to the set time.
The TIMER ON indicator
goes off after a lapse of
certain time.
• Check whether the timer operation
is started when the “TIME ON” is
indicated on the display.
Up to the set time, the air
conditioner will automatically start
and the appropriate indicator will
go off.
No receiving tone sounds
from the indoor unit even
when the ON/OFF button is
pressed.
• Check whether the signal
transmitter of the remote controller
is properly directed to the infrared
signal receiver of the indoor unit
when the ON/OFF button is
pressed.
Directly transmit the signal
transmitter of the remote
controller to the infrared signal
receiver of the indoorunit, and
then repeatly push the ON/OFF
button twice.
14. Controller
14.1 Wireless remote controller R51/E
 Remote Controller Specifications
Model R51/E
Rated Voltage 3.0V
Lowest Voltage of CPU Emitting Signal 2.0V
Reaching Distance 8m (when using 3.0 voltage, it can get 11m)
Environment Temperature Range
-5℃～60℃

Midea MKG-400 Specifications

General

Brand	Midea
Model	MKG-400
Category	Air Conditioner
Language	English