Troubleshooting
Model: G572R
Malfunction: No RPM value appears.
Failure symptom: Exercise. No RPM value appears.
Possible cause: 1.Sensor signal malfunction
2. Display and boost converter signal malfunction
Troubleshooting: 1. Restart the unit as a test.
2. Inspect the distance between the sensor and reflective sticker:3-8mm.
3. Clean the optic sensor head.
4.
Inspect optic sensor cable connections.
5
. Replace the boost converter as a test.
6
. Replace the display board.
3-3-1
Drive
board
Display
board
Sensor/reflective
sticker
Boost converter
Inspect the drive
board connection
Inspect the optic
sensor
Summary of Contents for G572R
Page 1: ...G572R Repair Manual...
Page 3: ...1 1 Product Illustration G572R 1 1 1 Body Boost converter Inverter Inverter bypass...
Page 4: ...1 2 Display G572R 1 2 1...
Page 5: ...1 3 Component Placement G572R Display 1 3 1...
Page 6: ...1 3 Component Placement G572R Display Lower Cover 1 3 2 1 3 2 Fan motor CASFE USB board...
Page 8: ...1 3 Component Placement G572R Boost Converter 1 3 4 DSP board...
Page 12: ...1 5 Wire Connections G572R Display iPod iPod decoder board iPod decoder board...
Page 13: ...1 5 2 1 5 Wire Connections G572R Display Lower Cover...
Page 17: ...1 6 1 1 6 1 G572R U Drive Board Indicator LEDs LED5 12V power supply Alternator fuse 6 3A...
Page 18: ...1 6 2 1 6 1 C572R U Booster Converter Indicator LEDs Alternator fuse 6 3A...
Page 25: ...6 3A fuse...
Page 26: ...5V power...
