Troubleshooting
Model:
T615
Malfunction:
Safety key malfunction
Circumstance:
Put the safety key in place; the display shows no reaction; “Safety key” error message appears.
Possible causes:
Safety key board malfunction
Troubleshooting: 1. Inspect the safety key magnet.
2. Inspect the bridge board wire connections.
3. Test or replace the safety key board.
.
3-1-1
Safety-key board
Bridge board
Display
Board
Bridge
Board
Safety-key
Board
Safety-key board test
Place safety-key Reed switch
ON
No safety-key
Reed switch
OFF
Safety-key connection
Summary of Contents for T615
Page 1: ...T615 Repair Manual Electronics...
Page 2: ...1 1 Product Illustration 1 1 1...
Page 3: ...1 2 Dispaly 1 2 1...
Page 4: ...1 3 Component Placement T615 Display 1 3 1...
Page 5: ...1 3 Component Placement T615 Bridge board 1 3 2 Bridge board To Lower keypad To Safety key...
Page 8: ...1 4 Connection T615 1 4 2...
Page 9: ...1 4 Connection T615 Display 1 5 1...
Page 10: ...1 5 Cable Connections T615 Display 1 5 2 To Safety key board To lower keypad To Display...
Page 12: ...1 6 Indicator LEDs T615 Display 1 6 1 Power led...
Page 48: ...4 8 1...