Troubleshooting - Samsung ACH1800E Service Manual

6. Trouble Shooting
Trouble shooting by outdoor unit error code
ERROR CODE
Indoor unit room thermistor error
E1
Indoor unit pipe thermistor error
E5
Outdoor unit thermistor error
E6
Float switch open error
E9
Communication error between indoor unit and outdoor unit
EA
Communication error between wired remote controller and indoor unit
EC
Outdoor unit pipe thermistor error
ED
Reverse power of 3 phase power source detected (3 phase model)
EL
Trouble shooting by indoor unit receive board
ERROR CODE
Reservation LED flickering(1Hz period)
Operation LED and reservation LED flickering
(1Hz period)
Operation LED and filter LED flickering (1Hz period)
Reservation LED filter LED alternating flickering (1Hz period)
Reservation LED and filter LED flickering (1Hz period)
Operation LED and reservation LED alternating flickering (1Hz period)
Filter LED flickering (1Hz period)
Trouble shooting by outdoor unit error code
ERROR CODE
Indoor unit room thermistor error
*1
Indoor unit pipe thermistor error
*5
Outdoor unit thermistor error
*6
Float switch open error
*9
Communication error between indoor unit and outdoor unit
*A
Communication error between wired remote controller and indoor unit
*C
Outdoor unit pipe thermistor error
*D
Three phase power incorrect connecting error (In case of three phase power models)
*L
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.
Trouble shooting by outdoor unit error code
ERROR CODE
Communication error between indoor unit and centralized controller
LED flickering
Samsung Electronics
ERROR DESCRIPTION
ERROR CODE
Indoor temperature sensor abnormal
Indoor pipe temperature sensor abnormal
Outdoor temperature sensor abnormal
Float switch open abnormal
Indoor and outdoor communication abnormal
Wired remote controller communication abnormal
Outdoor pipe temperature sensor abnormal
ERROR DESCRIPTION
ERROR DESCRIPTION
REFERENCE PART
EC01
EC02
EC03
EC04
EC05
EC06
EC07
EC08
REFERENCE PART
EC01
EC02
EC03
EC04
EC05
EC06
EC07
REFERENCE PART
EC01
EC02
EC03
EC04
EC05
EC06
EC07
EC08
REFERENCE PART
EC20
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