Samsung AC026MN1DKH/EU - Way Cassette Type

4-20 Samsung Electronics
4-3-4 1 way cassette type
㽞 Error detection and reoperation
1. If an error occurs during operation, the LED flashes to indicate that there is a problem then all operations stop except LED.
2. When resuming operation with remote controller and switch, it determines error mode after normal operation.
㽞LED lamp display when error is detected
Err or LED lamp Display
Cause Actions to take
Operation Defrost
XX
䢻
XX
ח Breakaway fr om the r oom temperature
sensor connector.
ח Cut the r oom temperature sensor wire.
ח Check the connection between the room tem-
perature wire and the main PCB of the indoor
unit.
ח Check the pattern of the room temperature sen-
sor part of the
main PCB of the indoor unit and if
parts are open or shorted.
䢻
X
䢻
XX
ח Disjoint of the in/out sensor connector
of the indoor heat exchanger.
ח Cut the in/out sensor wire of the
indoor heat exchanger .
ח Check the connection between the room tem-
perature wire and the main PCB of the indoor
unit.
ח Chec
k the pattern of the room temperature sen-
sor part of the main PCB of the indoor unit and if
parts are open or shorted.
XXX
䢻
X
ח Indoor fan motor is non-operative.
ח Indoor fan motor is operating
slowly.
ח Indoor fan motor operates at an exces-
sive speed .
ח Check if a motor connector has been
dismounted . (CN44. CN73)
ח Check the fastening of the motor fan.
䢻
XX
䢻
X
ח Disjointed or cut off of outdoor tem-
perature sensor.
ח Disjointed or cut off of the out door
sensor of heat exchanger (COND).
ח Dismounted/cut off of the outdoor
discharge sensor.
ח Check the PCB display window of the outdoor
unit then refer to a br eakdown diagnosis.
XX
䢻䢻
X
ח Communication error between indoor
units and outdoor units for more than
2 minutes.
ח 3 min. error of the outdoor unit track-
ing. (multi-product specification)
ח Inconsist ency between the number
of installed units and communication
units . (multi-product
specification)
ח Check the connection between indoor and out-
door units
ח Check the settings for indoor Main/RMC address
switch
XX
䢻䢻䢻
ח The detection of secondary high tem-
perature at C OND .
(outdoor heat exchanger)
ח The detection of secondary high tem-
perature at discharge .
ח Reverse detection error.
ח Check the PCB display window of the outdoor
unit then refer to breakdown diagnosis.
XXX
䢻䢻
ח Deviation of float sensor connector.
ח Cut of float sensor wire.
ח Check the connection between main PCB and
float sensor in the indoor unit.
لTurn onስFlashingΉTurn off