Four Directions Cassette Type - Samsung AC052MN4DKH Service Manual

4-2-3 Four directions cassette type

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