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Mini VRF SYSTEM
Trouble Diagnosis
3. Mini VRF System Alarm Codes
4. Mini VRF System Alarm Codes
Mini VRF SYSTEM
Trouble Diagnosis
LED
OPTION
CHK Pin
DC Motor Model Indoor Unit Control Board
TEST Pin
LED
CHK Pin
AC Motor Model Indoor Unit Control Board
OPTION
Regarding the PCB photos for individual indoor units, refer to the Section “PCB AND FUNCTIONS” in the
TECHNICAL DATA.
NOTE
SM830195-04_Mini VRF SYS.indb 8 15/02/16 18:01:24