Troubleshooting
Model: C570R
Malfunction: Unit will not start (alternator).
Circumstance: Start pedaling; the display shows no reaction.
Possible reasons: 1. Wires are not connected.
2. The drive board fuse has blown.
Troubleshooting: 1. Inspect wire and data cable connections.
2. Inspect the alternator. Do LED1 and LED3
on the drive board light when you pedal?
3. Inspect whether F2 fuse on the drive board
is burnt.
4. Replace the drive board as a test.
5. Inspect the display power LED and main
program IC.
3-1-1
Drive
Board
Display
board
Alternator
Fuse
Display
LED2 POWER indicator
Lit = power is supplied
Cable connectors
Drive Board
F2 alternator fuse
Alternator
LED1, VCC power indicator
LED3, VDD power
indicator