Wired Remote Controller - Samsung AC026MNJDKH/EU Service Manual

Wired remote controller

Error mode Contents
[Inverter] IPM over current
error
Compressor V limit error
DC LINK over/low voltage error
[Inverter] Compressor rotation
error
[Inverter] Current sensor error
[Inverter] DC LINK voltage
sensor error
[Inverter] OTP error
AC ZERO CROSSING SIGNAL
OUT error
Compressor LOCK error
Outdoor fan 2 error
Gas leak error
Capacities not matched
Communication error between
the indoor unit and wired
remote controller
Communication error between
the Master and Slave wired
remote controllers
COM1/COM2 cross installation
error
Wired remote controller COM2
option setting error
4-14
(cont.)
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
Check the compressor connection status
Check the resistance between difference phases of the
compressor
Check input power
Check AC power connection
Check the compressor connection status
Check the resistance between difference phases of the
compressor
Check EEPROM DATA
Check the normal operation of PCB
Check the input power connection
Check the status of RY21 and R200 in the INVERTER PCB
Check EEPROM DATA
Check the normal operation of PCB
Check the input power status
Check the compressor connection status
Check the resistance between difference phases of the
compressor
Check the input power connection status
Check the connection status of the motor and the
outdoor unit PCB
Check the indoor/outdoor unit fuse
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
Check the option code of the indoor unit
Check the connection wire between the indoor unit and
the wired remote controller
Check the option switch for defining the Master and
Slave (only one Master and one Slave can exist)
Check that wired remote controller is connected to the
COM2 terminal of the indoor unit
Check that Com1, Com2 setting DIP switch is set to Com2
Measure
Product operation in
error condition
Error type
Outdoor unit/
Compressor/Indoor
unit
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Restart in 3 minutes protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Outdoor unit
Operation Off protection
control error
Self diagnostic
Operation Off
error
Self diagnostic
Operation Off
error
Outdoor unit
Operation Off protection
control error
Wired remote
Normal operation
controller error
Wired remote
Normal operation
controller error
Wired remote
Normal operation
controller error
Wired remote
Normal operation
controller error
Samsung Electronics