Troubleshooting
Model: T645
Malfunction: Contact heart rate (Heart touch rate - HTR)
Circumstance: Place hands on contact heart
rate plates; heart rate value is incorrect.
Possible causes: 1. HTR cable is not connected.
2. HTR board malfunction
3. Display cable connections
Troubleshooting: 1. Inspect display cable connections.
2. Inspect bridge board HTR cable connections.
3. Inspect contact heart rate cable
connections.
4. Inspect HTR board LEDs.
5. Replace the HTR board.
3-5-2
Bridge board
Display
board
HTR
board
HTR plate(R)
HTR plate(R)
HTR LED
HTR 心跳鐵板
HTR Board LEDs
Indicator
Name
Explanation
LED1
Telemetry heart
rate indicator
Flashes to indicate incoming telemetry
heart rate signal.
LED2
HTR contact
indicator
Lights to indicate that someone is
touching heart rate contact plates.
LED3
HTR heart rate
signal indicator
Flashes to indicate incoming contact
heart rate signal.
LED4
Heart rate signal
output LED
Each flash represents an outgoing heart
rate signal.
Bridge board
HTR 接線
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...
