Troubleshooting
Model: T645
Malfunction: Unit will not start operating.
Circumstance: Turn POWER ON; the display does not light.
Possible cause: Incoming power issue; component failure.
Troubleshooting: 1. Inspect the main fuse and power switch.
2. Inspect all cable connections.
3. Inspect drive board power LED. Or replace the drive
board as a test.
4.Inspect the display power LED and main IC.
5.Replace the EUp board
3-2-1
SAC
Drive Board
Display
board
Filter
SW./ Fuse
AC1,AC2
EUp
board
Fuse & switch
Filter
Drive board
Cable connection
Program board
EUp board
Summary of Contents for T645
Page 1: ...T645 Repair Manual Electronics Date 2014 1 6 V1 0...
Page 2: ...1 1 Product Illustration 1 1 1...
Page 3: ...1 2 Dispaly T645 1 2 1...
Page 4: ...1 2 Display T645 1 2 2...
Page 8: ...1 4 Connection T645 1 4 2...
Page 13: ...1 5 Cable connections EUp board 1 5 5 From Filter To Drive set To Display LED Keypad...
Page 14: ...1 6 Indicator LEDs T645 Display Board 1 6 1...
Page 15: ...1 6 Indicator LEDs T645 Drive Board 1 6 2 F1 fuse 15A...
