Samsung Electronics
4-17
4-2-6 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/outdoor unit
communication time-out error: errors
in more than 6 packets
Check the outdoor communication cable
connection. Check DC output voltage and the
communication terminal
Operation Off
Communication
error
Indoor temperature sensor (open/
short error)
Check indoor unit room temperature sensor.
Check indoor unit 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 CN41(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/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
l
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
COND temperature sensor error
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
Emission temperature excessively high
No error (DISCHARGE temperature control)
-
Outdoor unit
protection
control error
High pressure blockage error
(Refrigerant completely Leakage error)
Check whether the outdoor unit service valve is
open.
Check the connection of the pipes.
Check the operation of the EEV.
Check for refrigerant leakage (Completely leakage).
Operation Off
Self diagnostic
error
Heating operation blocked
Check the operation setting state
Check temperature sensor
Operation Off
Self diagnostic
error
Cooling operation blocked
Check the operation setting state
Check temperature sensor
Operation Off
Self diagnostic
error
Outdoor fan 1 error
Check input power connection status
Check the connection status between the motor
and outdoor unit PCB
Check indoor/outdoor fuse
Operation Off
Self diagnostic
error
[Inverter] Compressor startup error
Check the compressor connection status
Check the resistance between difference phases
of the compressor
Operation Off
Outdoor unit
protection
control error
[Inverter] Total current error/PFC over
current error
Check the input power
Check the coolant charging status
Check the normal operation of outdoor fan
Operation Off
Outdoor unit
protection
control error
