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Si04-306
Check
Service Diagnosis
125
5. Check
5.1
How to Check
5.1.1
Fan Motor Connector Output Check
Check No.01
1. Check connector connection.
2. Check motor power supply voltage output (pins 4-7 and 4-8).
3. Check motor control voltage (pins 4-3).
4. Check rotation command voltage output (pins 4-2).
5. Check rotation pulse input (pins 4-1).
Check No.02
1. Check connector connection.
2. Check motor control voltage output (pins 2-1).
7
6
5
4
3
2
1
Motor power supply voltage
Unused
Unused
P.0V (reference potential)
Motor control voltage (15 VDC)
Rotation command voltage (1~ 5 VDC)
Rotation pulse input
Upper fan connector
8
7
6
5
4
3
2
1
Motor power supply voltage
Unused
Unused
Unused
P.0V (reference potential)
Motor control voltage (15 VDC)
Rotation command voltage (1 to 5 VDC)
Rotation pulse input
Lower fan connector
(R1224)
5
4
3
2
1
Motor power supply voltage
Unused
Unused
P.0V (reference potential)
Motor control power supply
S202
(R1073)
Summary of Contents for FTKS50BVMA
Page 17: ...List of Functions Si04 306 8 List of Functions...
Page 35: ...Specifications Si04 306 26 Specifications...
Page 143: ...Check Si04 306 134 Service Diagnosis...
Page 187: ...Outdoor Unit Si04 306 178 Removal Procedure...
Page 191: ...Others Si04 306 182 Others...
Page 201: ...Wiring Diagrams Si04 306 192 Appendix FTKD 18 24 28 BVMS...
Page 203: ...Wiring Diagrams Si04 306 194 Appendix RKD 18 24 28 BVMS...