Acson international IM-MSDT-0501 Instructions D'installation page 13

IR signal receiver
When an infrared remote control operating signal has
been transmitted, the signal receiver on the indoor unit
will make a <beep> sound to confirm acceptance of the
signal transmission.
Cooling unit
/ Heat Pump unit
The table shows the LED indicator lights for the air condi-
tioner unit under normal operation and fault conditions.
The LED indicator lights are located at the middle of the air
conditioner unit.
The heat pump units are equipped with an "auto" mode
sensor whereby it will provide reasonable room temperature
by switching automatically to either "cool" or "heat"
mode according to the temperature set by the user.
LED Indicator Lights : Normal Operation And Fault Conditions For Cooling / Heat Pump Unit
COOL/HEAT
(GREEN/RED)
Green
Red
Red
Green
1 time
3 times
1 time
Red
3 times
5 times
6 times
ON
All manuals and user guides at all-guides.com
INDICATOR LIGHTS
Normal Operation / Fault Indication
Cool mode
Heat mode
Auto mode in Heating operation
Auto mode in Cooling operation
Timer on
Sleep mode on
Ionizer on
Fan mode on
Dry mode on
Room air sensor contact
Loose / Short
Outdoor coil sensor open
Indoor coil sensor open
Compressor overload /
Indoor coil sensor short /
outdoor coil sensor short
Defrost operation
Gas leak
Outdoor coil sensor exist (MS Model)
Hardware error (tact switch pin short)
ON or OFF
1-9
IR Receiver
LED indicator lights
LED Indicator Lights for Cooling Unit / Heat Pump
Unit
Sleep Mode Cool Timer Ionizer
Action
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