Error Code; 7-Days Timer; Installation Of Lcd Remote Controller; Accessories - Acson ART 55 A Technical Manual

7-days timer

Press the ON TIMER key to activate auto-ON timer mode. Under this mode, press the respective
MINUTE, HOUR and DAY key to select the time of the week when the air-conditioning unit is to
automatically start running. Press the ON TIMER key again to save the setting.
Press the OFF TIMER key to activate auto-OFF timer mode. Under this mode, press the respective
MINUTE, HOUR and DAY key to select the time of the week when the air-conditioning unit is to
automatically stop running. Press the ON TIMER key again to save the setting.
Then to activate the 7-days timer, press and hold the TIMER ACTIVE key until the word "TIMER
ACTIVE" appears on the LCD screen. Repeat the same step to disable the 7-days timer.
g) Other Function
Key Lock
Press the MINUTE key 3 times consecutively and fast to activate the key lock. A "KEY LOCK" symbol
will appear on the LCD screen. At this point, only the ON/OFF key is valid.
To disable the key lock, again press the MINUTE key 3 times consecutively and fast.
Test run
Press the TEST key 2 times consecutively to test run the unit.

3) Error Code

When the system is on and an error occurs, the ON/OFF LED on the LCD panel will blink and an error
code is shown. When the system is off and there is a thermistor error, the ON/OFF LED is off but the
error code is still displayed. Each error code represents different message as below
Error
Possible fault
code
E01 Require manual reset (possible causes)
E02 Compressor 1 high temperature (overload)
E03 Compressor 2 high temperature(overload)
E06 Compressor 1 high pressure trip / contact open
E07 Compressor 2 high pressure trip / contact open
E10 Compressor 1 trip / low R-22 / outdoor abnormal
E11 Compressor 2 trip / low R-22 / outdoor abnormal
E14 Room sensor short
E15 Room sensor open
E16 Indoor coil sensor 1 short
E17 Indoor coil sensor 2 short

4) Installation Of LCD Remote Controller

a) Accessories
The following accessories are included. If any part is missing, contact your dealer immediately.
1 Remote controller
2 Wooden screw 4.1 x 16 (2 pieces)
3 Instruction manual
Error
Possible fault
code
E20 Indoor coil sensor 1 open
E21 Indoor coil sensor 2 open
E24 Outdoor coil sensor 1 short
E25 Outdoor coil sensor 2 short
E28 Outdoor coil sensor 1 open
E29 Outdoor coil sensor 2 open
E32 Compressor 1 de-ice
E33 Compressor 2 de-ice
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