4-24 Samsung Electronics
4-3-6 Wired remote controller
- If an error occurs, ( ) icon will be displayed on the wired remote controller.
- Press the Test button to see the error code.
Error mode Contents Measure
Product operation in
error condition
Error type
Outdoor unit/
Compressor/Indoor
unit
Indoor unit communication error
Check the communication cable of indoor
unit. Check the DC output voltage at the
communication terminal
Operation Off
Communication
error
Indoor unit Eva In sensor
(Open/Short)
Check indoor unit pipe sensor. Check indoor
PCB connector CN41(White)
Operation Off Indoor sensor error
Indoor unit Eva In sensor
(Open/Short)
Check indoor unit pipe sensor.
Check indoor PCB connector CN413(White)
Operation Off Indoor sensor error
Indoor unit Eva In sensor
disconnection
Check the disconnection of indoor unit pipe
sensor
Operation Off Indoor sensor error
Remocon Option for MDS is set for
ON, but MDS kit is disconnected or
the signals for sensors are abnormal.
Check the wire connection
Check the MDS kit
Check the main PBA
Normal operation
(without MDS kit)
MDS kit Error
Indoor floating switch secondary
detection
Check indoor unit float sensor. Check indoor
PCB connector CN5 (black)
Operation Off
Self diagnostic
error
Indoor fan error Check on indoor unit indoor fan operation Operation Off
Self diagnostic
error
Error on thermal fuse of indoor unit
(Open)
Thermal fuse open check of indoor unit
terminal block
Operation Off
Indoor unit
protection control
error.
Communication error after tracking
due to unmatching number of
installed units
Check indoor quantity setting in outdoor Operation Off
Communication
error
Indoor/outdoor communication
error (1 min)
Check the communication connection
between indoor and outdoor units. Check
the power line and communication cable
connection status
Operation Off
Communication
error
Communication error between
indoor/outdoor INV
׳
MAIN MICOM (1 min)
Check MAIN MICOM
Check INVERTER MICOM
-
Communication
error
Outdoor temperature sensor error
Check sensor connection status
Check sensor location
Check sensor resistance
Operation Off
Outdoor sensor
error
Error on outdoor COND OUT sensor
(Short or Open)
Check sensor connection status
Check sensor location
Check sensor resistance
Operation Off
Outdoor sensor
error
[Inverter] Emission temperature
sensor error
Check sensor connection status
Check sensor location
Check sensor resistance
Operation Off
Outdoor sensor
error
Error on OLP sensor (Short or Open)
Check sensor connection status
Check sensor location
Check sensor resistance
Operation Off
Outdoor sensor
error
Compressor down due to freeze
protection control
Check outdoor cond. Operation Off
Outdoor unit
protection control
error.
System stop due to overload
protection control
Check compressor when it start Operation Off
Outdoor unit
protection control
error.
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