Troubleshooting
3. Outdoor DC Fan IPM Board(for some double fan models)
Power on and when the unit is in standby, measure the voltage of CON1, pin1-pin2 and pin3-pin2 of CN1 in DC motor
driver board. If the value of the voltage is not in the range showing in below tables, the outdoor main PCB must has
problems and need to be replaced.
FAN2
CN1
CON1
FAN1
IPM for DC
Fan
EEPROM
Drive Chip
CN2
Rectifier
Part
Description
Parameter
Remark
CON1
Power input for the PCB
192-380V/DC
CN1
Communication with main PCB
DC
CN2
Test port
5V/DC
For debugging board
FAN1
UVW output for DC fan motor
FAN2
UVW output for DC fan motor
CN1 Communication with main PCB
1
2
3
4
5
No.
Signal
Voltage
1
Vcc
13.5-16.5V
2
GND
0V
3
Vsp
0~6.5V
4
FG
13.5-16.5V
5
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28
Summary of Contents for COLONNA CLN130R
Page 3: ......
Page 6: ......
Page 7: ...Contents 1 Precautions 2 2 Information servicing For flammable materials 3 Safety Precautions...
Page 19: ...Specifications 7...
Page 20: ...Outdoor unit printed circuit board diagram 17122000041841 Specifications 8...
Page 22: ...Outdoor unit DC motor driver board diagram 17122000021912 5 6 1 2 3 4 Specifications 10...
Page 41: ...Indoor Unit Disassembly 2 1 Dimension...
Page 57: ...Outdoor Unit Disassembly 3 2 Dimension UECS130R...
Page 100: ...For some models 33...