Product specifications

38 Samsung Electronics
Wired remote controller (cont.)
Error mode Contents Measure
Product operation in
error condition
Error type
Outdoor unit/
Compressor/Indoor
unit
[Inverter] IPM over current
error
Check coolant charging
Check the compressor connection status and normal
operation
Check the obstacles around the indoor and outdoor units
Check whether the outdoor unit service valve is open
Check whether the indoor/outdoor installation pipe/
wiring are correct
Operation Off
Outdoor unit
protection
control error
Compressor V limit error
Check the compressor connection status
Check the resistance between difference phases of the
compressor
Operation Off
Outdoor unit
protection
control error
DC LINK over/low voltage error
Check input power
Check AC power connection
Restart in 3 minutes
Outdoor unit
protection
control error
[Inverter] Compressor rotation
error
Check the compressor connection status
Check the resistance between difference phases of the
compressor
Operation Off
Outdoor unit
protection
control error
[Inverter] Current sensor error
Check EEPROM DATA
Check the normal operation of PCB
Operation Off
Outdoor unit
protection
control error
[Inverter] DC LINK voltage
sensor error
Check the input power connection
Check the status of RY21 and R200 in the INVERTER PCB
Operation Off
Outdoor unit
protection
control error
[Inverter] OTP error
Check EEPROM DATA
Check the normal operation of PCB
Operation Off
Outdoor unit
protection
control error
AC ZERO CROSSING SIGNAL
OUT error
Check the input power status Operation Off
Outdoor unit
protection
control error
Compressor LOCK error
Check the compressor connection status
Check the resistance between difference phases of the
compressor
Operation Off
Outdoor unit
protection
control error
Outdoor fan 2 error
Check the input power connection status
Check the connection status of the motor and the
outdoor unit PCB
Check the indoor/outdoor unit fuse
Operation Off
Self diagnostic
error
Gas leak error
Check the coolant charging status
Check the indoor EVA sensor
Check if the outdoor unit service value is open
Check that the indoor/outdoor installation pipe/wiring
are correct
Operation Off
Self diagnostic
error
Capacities not matched Check the option code of the indoor unit Operation Off
Outdoor unit
protection
control error
Communication error between
the indoor unit and wired
remote controller
Check the connection wire between the indoor unit and
the wired remote controller
Normal operation
Wired remote
controller error
Communication error between
the Master and Slave wired
remote controllers
Check the option switch for defining the Master and
Slave (only one Master and one Slave can exist)
Normal operation
Wired remote
controller error
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