Samsung IDH1800E Service Manual page 29

Installation
Startup of group operation
• Put off the power of SET.
• Adjust the addresses of digital switch of indoor
unit PCB to "0"~"15", respectively.
• Put on the option switch SW2 of wired remote
controller PCB.
• Put on the power of SET.
• On the wired remote controller display, the digits
"00" → "11" → "22" → are displayed up to "FF".
After "FF" display, the wired remote controller is
automatically set to the preserved operation
status of indoor unit of chamber "A".
Error Code
*1
*5
*6
*9
*A
*C
*D
Caution :
• Test operation is disabled when the chamber "A" is on after initialization of wired remote controller.
• The communication time between wired remote controller and indoor unit is required for 2 seconds. If any one of set is ON, be sure to
put it off by pressing the ON/OFF button and start the TEST operation after 35 seconds at minimum.(The communication time with all
chambers : 16 x 2 seconds = 32seconds)
• For the reservation operation, the communication time between all 16 chambers is required for 64 seconds due to the increase of
communication data.
• The first digit (MSB) of error code displayed during the group operation stands for the address of SET where the error occurs.
4-10
Meaning
Indoor unit room thermistor error
Indoor pipe thermistor error
Outdoor unit thermistor error
Float switch open error
Indoor unit ↔ outdoor unit communication error
Wired remote controller ↔ indoor unit
communication error
Outdoor unit pipe thermistor error
• If the current SET of chamber "A" is ON, put the
set off by pressing the ON/OFF button.
Only at the SET off of chamber "A", the TEST mode
is enabled.
• Press the TEST BUTTON of wired remote
controller for more than 3 seconds.
• If the SET is operating for 3 minutes through
forced cooling operation, the SET is off after 2
minutes.
• The Error occurring in the TEST operation
displays in the wired remote controller display
window and is referred to the following table.
• Indoor unit thermistor exist or not 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 drain pump is not installed, SW2 and SW4
shall be at OFF position.)
• Indoor unit ↔ Outdoor unit communication 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
Checking Area
Samsung Electronics