Troubleshooting:
Model: T656
Malfunction item: inappropriate fan working
Circumstance :
No response while pressing <FAN> key
Possible cause :
1.
Bad wire connections
2.
Bad fan wiring on control board
3.
Bad fan motor
Troubleshooting:
1.
Check bridge board wiring
2.
Check fan wiring
3.
Replace control board or fan
3-6-2
Bridge board
Fan Motor
Bridge board
Fan voltage on control board
Fan
Voltage
（
V
）
Fan low
3 v
Fan mid
6v
Fan high
9v
Fan wiring on
control board
Summary of Contents for T656
Page 1: ...T656 16 19 Repair Manual Electronic Date 2018 09 V1 0...
Page 3: ...1 1 Product Picture 1 1 1...
Page 4: ...1 2 Display T656 1 2 1...
Page 14: ...1 5 Wiring T656 self lubrication system 1 5 6 Lubricant motor VR Lubricant control system...
Page 15: ...1 5 Wiring energy saving board 1 5 7 To console EUP key board From Filer To Drive set...
