Samsung ACH1800E Technical Manual - page 148
TROUBLE SHOOTING & ERROR MODE
7
SAMSUNG | 147
7-1. Trouble shooting by Outdoor unit Error code
7-2. Trouble shooting by Wireless Remote controller receiver & Display unit
7-3. Trouble shooting by Wired Remote controller
7. Trouble shooting & Error Mode
7
Error Code
E1
E5
E6
E9
EA
EC
ED
EL
LED flickering
(only centralized controlling)
Error Description
Indoor unit room thermistor error
Indoor unit pipe thermistor error
Outdoor unit thermistor error
Float switch open error
Communication error between indoor unit and outdoor unit
Communication error between wired remote controller and indoor unit
Outdoor unit pipe thermistor error
Reverse power of 3 phase power source detected (3 phase model)
Communication error between indoor unit and centralized controller
Reference Part
EC01
EC02
EC03
EC04
EC05
EC06
EC07
EC08
EC20
Error Code
*1
*5
*6
*9
*A
*C
*D
*L
Error Description
Indoor unit room thermistor error
Indoor unit pipe thermistor error
Outdoor unit thermistor error
Float switch open error
Communication error between indoor unit and outdoor unit
Communication error between wired remote controller and indoor unit
Outdoor unit pipe thermistor error
Three phase power incorrect connecting error
Reference Part
EC01
EC02
EC03
EC04
EC05
EC06
EC07
EC08
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)
Operation LED and filter LED alternating flickering
(1Hz period) (in case of three phase power models)
Error Description
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
Three phase power connecting abnormal
Reference Part
EC01
EC02
EC03
EC04
EC05
EC06
EC07
EC08