ROOTS RB650 Premium, Operator'S Manual

Page: 78 / 92

78 RootsScrub RB 650/750
MAINTENANCE
Drive Motor Controller Error Codes (Standard Version):
In the event of an error in the drive motor controller, the system displays a error code in the LCD panel located in the drive motor controller, upon
which the fault can be rec fied
(For standard version only) .
Error
Code No.of Alarm
LED Blinks
Descrip on What to do ?
A 1 1 FNR switch(-S3) at forward posi on when power-on Put the accelerator pedal to zero and set the FNR switch in neutral at power-on.
A2 2 FNR switch(-S3) at reverse posi on when power-on Put the accelerator pedal to zero and set the FNR switch in neutral at power-on.
A3 3 Poten ometer(-S6) in the accelerator pedal fault. Check the poten ometer (-S6) wires
A4 4
Poten ometer(-S6) out of neutral posi on at power
on Move the poten ometer to neutral posi on or,if it is in neutral posi on already,
calibrate the speed reference.
A5 5 Thermal protec on
Wait few minutes and check the motor current. If it is high rec fy the cause and
then use.
A6 6 Controller power stage damaged Change the drive controller.
A7 7 Over current 1: short circuit Check the motor wires: if OK, and the controller repeats this alarm, change it
A8 8 Over current 2: short circuit Check the motor wires: if OK, and the controller repeats this alarm, change it
A9 9 Under voltage Check the ba ery's charge
A10 10 Over voltage Ba ery voltage upper than 45V : Check the ba ery
A11 11 Overload protec on
Check whether the trac on motor brake func ons properly. If not replace brake
immediately and use. Check the motor working current.
A12 12 Disable switch on
Check the parking brake limit switch ( if used). This alarm will reset by rese ng
the keyswitch (-S1).
A13 13 Key-off sequence detected Check the key switch(-S1) connec ons
A14 14
E
2
prom fail
Check your se ngs: if the controller repeats this alarm, change it