Samsung ACH1800E Technical Manual page 149

7
TROUBLE SHOOTING & ERROR MODE
Error Code & Check
7-4. Error Code & Check
Error code
(wired remote controller)
Timer
*1
*5
*6
*9
*A
*C
*D
*L
: OFF : Blinking
✽ The asterisk mark " * " + "ERROR" CODE of wired remote controller stands for the set number.
ex) ERROR CODE "39" is the FLOAT SWITCH OPEN ERROR of SET no.3.
✽ Indicators means wireless Remote controller Receiver & display.
148 | SAMSUNG
Indicators
Operating Filter
Indoor unit thermistor sensor error
Indoor unit pipe sensor error
L L
Outdoor unit thermistor sensor error
L L
Float switch error
Indoor and Outdoor communication
L L
error
Wired remote controller
communication error
Outdoor pipe sensor error
Three phase power incorrect
connecting error(In case of three
phase power models)
L L
: Blinking at once
Meaning
N Indoor unit thermistor sensor
N PCB of the indoor unit
N Indoor unit pipe sensor
N PCB of the indoor unit
N Outdoor unit thermistor sensor
N PCB of the outdoor unit
N Drain pump, Float switch
N Drain system
N Communication cables of indoor and
outdoor units
N PCB of indoor and outdoor units
N Wired remote controller cables,
Wired remote controller
N Main/Sub PCB of the indoor unit
N Outdoor pipe sensor
N PCB of the outdoor unit
N Three phase power connecting
N PCB of the outdoor unit
: Blinking alternately
Checking area