Samsung IDH4400A Service Manual page 22

3-2-4 Startup method by wired remote controller
Start up of single operation
• Put on the set power.
• Adjust the address of digital switch of indoor
unit PCB to "0".
• Put OFF the option switch 2 of wired remote
controller PCB.
• Put on the set power.
• Press the test button of wired remote controller
for more than 3 seconds.
Error Code
01
05
06
09
0A
0C
0D
0L
Caution :
• Unless the address of digital switch of indoor unit PCB is set to "0" in case of "A" chamber single operation, the control by the wired
remote controller is disabled.
• The power of SET shall be put on again after the resetting of wired remote controller option so that the the set option can be applied.
Be sure to keep the power on/off of SET before and after the setting.
• The first digit of error code displayed during the single operation and group operation may be different. The first digit(MSB) stands for
the address of the set where the error occurs. Since it is the single operation, the address of SET is "0".
Samsung Electronics
Meaning
Indoor unit room thermistor error
Indoor unit pipe thermistor error
Outdoor unit thermistor error
Float switch open error
Indoor unit ↔ outdoor unit communicating error
Wired remote controller ↔ indoor unit
communication error
Outdoor unit pipe thermistor error
Three phase power incorrect connecting error
• The set is operated for 3 minute by the forced
cooling operation and the set is off after 3
minute.
• The error occurring during the test operation is
displayed on the wired remote controller
windows and it shall be referred to the
following table.
Checking Area
• Indoor unit thermistor available or not and
disconnected
• Indoor unit PCB
• Indoor unit pipe thermistor
• Indoor unit PCB
• Outdoor unit thermistor
• Outdoor unit PCB
• Drain pump, float switch
• Drain system
• Dip SW2 of indoor unit main PCB
(If the drain pump is not installed, SW2 and
SW3 shall be at the Off position.)
• Indoor unit ↔ outdoor unit communicating
error
• Indoor unit ↔ outdoor unit communicating
cable
• Indoor unit PCB, Outdoor unit PCB
• Wired remote controller ↔ indoor unit
communication cable
• Indoor unit main PCB
• Outdoor unit pipe thermistor
• Outdoor unit PCB
• Three phase power connecting
• Outdoor unit PCB
Installation
3-5