Troubleshooting
Model:
C520R/C531R
Malfunction: No start up (battery)
Circumstance: Display shuts off if you don’t pedal.
Possible causes: 1. Cables are not connected.
2. Battery voltage is too low.
Troubleshooting: 1. Inspect all cable connections.
Inspect connections at the bridge board.
2. Test battery voltage. Normal is 5.5V or more.
3. Inspect drive board F2 fuse.
4. If battery voltage is less than 5.5V, pedal at 50 RMP or faster to replenish the battery.
3-2-1
Drive
Board
Display
board
Battery
Bridge board
EAC 驅動器組
F3 fuse
Power indicator LED
Test battery voltage. The
display requires more than
5.3V to power up.
Inspect the
program IC.