Wired Remote Controller - Samsung AC026RN1DKG Service Manual

Troubleshooting
Wired remote controller (cont.)
Error
Contents
mode
[Inverter] OTP error
AC ZERO CROSSING SIGNAL
OUT error
Compressor LOCK error
Outdoor fan 2 error
IPM Overheat Error for
Outdoor Unit Inverter Comp.
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
4-20
Measure
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
Change the location of the outdoor unit if the
temperature is abnormally high when the heatproof
plate is checked.
Reconnect the screws.
Replace the outdoor unit fan.
Replace the PBA of the outdoor unit.
Check the refrigerant 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
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
Operation Off protection
control error
Self diagnostic
Operation Off
Outdoor unit
Operation Off protection
control error
Self diagnostic
Operation Off
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
error
error