SM-18001-rev.1
3-31
TROUBLESHOOTING
CN201
LED1
PCB2
PCN201
1 PG (Blue)
2 Vsp (Yellow)
3 Vcc (White)
4 GND (Black)
6 Vm (Red)
Checking for Fan Motor
Remove the connector of the fan motor and measure the resistance value between each of the pins (twice).
Check whether the resistance value is over or not according to the table shown below. When performing
the second measuring, make sure to change the tester (Red/ Black).
1st
2nd
Decision Basis
Tester
Resistance
Value
Tester
Resistance
Value
Resistance values
of both 1st and 2nd
measurings are over 10
Red
Black
W
Red
Black
W
PG
GND
GND
PG
Vsp
GND
GND
Vsp
Vcc
GND
GND
Vcc
Vm
GND
GND
Vm
CN201
PCN201
PCB2
LED1
2 PG (Blue)
3 Vsp (Yellow)
4 Vcc (White)
5 GND (Black)
8 Vdc (Red)
Connector for Fan Motor
Checking for Fan Motor
Remove the connector of the fan motor and measure the resistance value between each of the pins (twice).
Check whether the resistance value is over or not according to the table shown below. When performing
the second measuring, make sure to change the tester (Red/ Black).
1st
2nd
Decision Basis
Tester
Resistance
Value
Tester
Resistance
Value
Resistance values
of both 1st and 2nd
measurings are over 10
Red
Black
W
Red
Black
W
PG
GND
GND
PG
Vsp
GND
GND
Vsp
Vcc
GND
GND
Vcc
Vdc
GND
GND
Vdc
● Ducted Slim
● Ducted Medium Static
Summary of Contents for CIDH018B21S
Page 2: ......
Page 10: ...viii SM 18001 rev 1...
Page 15: ...SM 18001 rev 1 1 1 INSTALLATION 1 Installation...
Page 19: ...SM 18001 rev 1 2 1 OPERATION 2 Operation...
Page 22: ......
Page 23: ...SM 18001 rev 1 3 1 TROUBLESHOOTING 3 Troubleshooting...
Page 75: ...MAINTENANCE SM 18001 rev 1 4 1 4 Maintenance...
Page 130: ......
Page 172: ......
Page 173: ...SM 18001 rev 1 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions...
Page 182: ...6 10 SM 18001 rev 1 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b...
Page 183: ...SERVICE PARTS LIST SM 18001 rev 1 7 1 7 Service Parts List...
Page 185: ......
Page 186: ...2018 Johnson Controls Inc SM 18001 rev 1 Code No LIT 12013047 Revised February 2019...