Four Directions Cassette Type - Samsung AC018JN4DCH/AA Service Manual

4-2-3 Four directions cassette type

Error Mode
Operation Defrost Timer Filter
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X X X
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Samsung Electronics
Cause
Power reset
Error of room temperature
sensor in the indoor unit
(Open/Short)
Error of heat exchanger
IN/OUT sensor in the
indoor unit (Open/Short)
Error of fan motor in the
indoor unit
Error of the outdoor
temperature sensor
Error of the condensor
temperature sensor
Error of the discharge
temperature sensor
No communication
for 2 minutes between
indoor and outdoor unit
(communication error for
more than 2 minutes)
Error of outdoor unit
Detection of the float
switch
EEPROM error
EEPROM option error
Outdoor valve clogging
error.
Measures
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sensor connection.
sensor's resistance value to
see if it's short/open.
connection.
resistance value to see if it's
short/open.
motor connector
fan
sensor connection.
sensor's resistance value to
see if it's short/open.
indoor and outdoor heat
exchangers' communication
cables
outdoor heat exchanger.
FUSE error.(OPEN)
connection.
been filled with water.
EEPROM component.
set the options.
between indoor and outdoor
machine models
clogging.
Product operation with error
Outdoor Outdoor Indoor
heat heat heat
exchanger exchanger exchanger
compressor fan fan
operation- operation- operation-
off off off
operation- operation- operation-
off off off
operation- operation- operation-
off off off
operation- operation- operation-
off off off
operation- operation- operation-
off off off
operation- operation- operation-
off off off
operation- operation- operation-
off off off
operation- operation- operation-
off off off
operation- operation- operation-
off off off
operation- operation- operation-
off off off
: On
Troubleshooting
Diagnosis
method
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: Blink X : Off
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