Zundapp Z901 Betriebsanleitung Seite 56

41
42
43
50
（2）UART common code definition：
code definition
Abnormal
21
current
Throttle
22
23 Phase loss
24 Hall failure check hall sensor well cabled.
Abnormal
25
Communicati
30
on failure
31 Button stuck Check buttons stuck or not before system on
Power supply
32
failure
6KM button
34
failure
Motor phase loss, overtime for start
Torque unit voltage inspection circuit
check if 3 phase short bridged.
check if throttle recovered to original status
failre
check if well ,cabled , check if phase wire
well connected to controller.
Check brake recovered before system on
brake
Check display well connected to controller
Check power source 13V/3.3V
Check assistance button stuck or not
Drive voltage failure
Abnormal current
failure
solution
- 13 -