Troubleshooting
Model:
T615
Malfunction:
Key malfunction – display keys
Circumstance:
Press display keys; there is no reaction;
Or keys operate continuously.
Possible causes: 1. Display key switch malfunction:
2. Key cushions are out of place.
Troubleshooting: 1. Inspect key cushions.
2. Replace display key switches.
3-3-3
Key switch
Key cushion
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...