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4-48
Samsung Electronics
Troubleshooting
■ 4Way CST : AC***BN4DCH
New Stylish and Aesthetic Panel
Simple Display
On/Off
Defrost
Timer
Filter
Error code [indoor] (Cont.)
Error Mode
Cause
Measures
Product operation with error
Diagnosis method
Operation
Defrost
Timer
Filter
Outdoor heat exchanger
compressor
Outdoor heat exchanger fan Indoor heat exchanger fan
X
X
X
Power reset
-
Operation-off
Operation-off
Operation-off
-
X
X
X
Error of room temperature sensor in the indoor unit (Open/Short)
• Check indoor temperature sensor connection.
• Check indoor temperature sensor’s resistance value to see if it’s short/
open.
Operation-off
Operation-off
Operation-off
-
X
X
Error of heat exchanger IN/OUT sensor in the indoor unit (Open/Short)
• Check EVA IN/OUT sensor connection.
• Check EVA IN/OUT sensor’s resistance value to see if it’s short/open.
Operation-off
Operation-off
Operation-off
-
X
X
X
Error of fan motor in the indoor unit
• Check the connection of motor connector
• Check the speed of the motor fan
Operation-off
Operation-off
Operation-off
-
X
X
Error of the outdoor temperature sensor
Error of the condenser temperature sensor
Error of the discharge temperature sensor
• Check indoor temperature sensor connection.
• Check indoor temperature sensor’s resistance value to see if it’s short/
open.
Operation-off
Operation-off
Operation-off
-
X
X
No communication for 2 minutes between indoor and outdoor unit
(communication error for more than 2 minutes)
• Check connection between indoor and outdoor heat exchangers’
communication cables
Operation-off
Operation-off
Operation-off
-
X
Error of outdoor unit
• Check error occurred with outdoor heat exchanger.
• TERMINAL Block thermal FUSE error.(OPEN)
Operation-off
Operation-off
Operation-off
-
X
X
Detection of the float switch
• Check float switch connection.
• Check whether the drain has been filled with water.
Operation-off
Operation-off
Operation-off
-
EEPROM error
EEPROM option error
• Check if there is damage with EEPROM component.
• Check the indoor model to set the options.
• Inspection for match between indoor and outdoor machine models
Operation-off
Operation-off
Operation-off
-
X
Outdoor valve clogging error.
• High pressure check valve clogging.
Operation-off
Operation-off
Operation-off
-
X
X
MDS (Motion Detecting Sensor) Error
• Check MDS
-
-
-
-
X
Error due to connecting outdoor units
that do not support the Wind-Free function
• Check outdoor main PBA S/W Check outdoor EEPROM
-
-
-
-
: On / : Blink / X : Off
Содержание AC009BN1DCH
Страница 187: ...Disassembly and Reassembly 3 134 Samsung Electronics No Parts Procedure Remark 7 Cabinet Front LF ...
Страница 291: ...PCB Diagram and Parts List Samsung Electronics 5 13 RAC AC018 024BNADCH 1 2 3 11 4 5 12 7 6 10 9 8 ...
Страница 293: ...PCB Diagram and Parts List Samsung Electronics 5 15 RAC AC030 036BNTDCH ...
Страница 305: ...PCB Diagram and Parts List Samsung Electronics 5 27 5 4 Outdoor Unit Main PBA PF2 3 AC009 012 018BXADCH AC018 024BXSCCC ...
Страница 307: ...PCB Diagram and Parts List Samsung Electronics 5 29 PF4 5 AC024 030 036 042 048BXADCH AC030 036BXSCCC AC030 036BXSCCH ...