User manual
6
1.2 STATUS LED INDICATOR
The diagnostics information can be obtained observing the fault codes issued by the Status LED.
First it displays a fast flash for 10 seconds then flashes a 2-digit fault identification code.
Table 2
A
B
C
TWO DIGITS CODE
LED CODE FAULT
(1, 1)
Controller thermal cutback
Overheating can occur if the controller is overloaded or the electromagnetic brake is not
releasing properly. The main current limit decreases steadily until it is reduced to zero.
At the reduced performance level the vehicle must be parked. Full current limit and
performance return automatically after the controller cools down.
(1, 2)
Throttle fault
The throttle potentiometer is connected at the Front board by blue, green and brown wires
1.check for open and short circuits pins
2.defective throttle potentiometer
3.loose connection
(
1
,
3
)
Controller or wiring fault
1. The cable connecting the Controller with the Front board has interrupt the wire
between 18-18
2. Defective Front board
3. Defective Controller
(
1
,
4
)
Low battery voltage
The voltage batteries decreases at 17V limit and less than this limit.
The drive is allowed.
(3, 1)
HPD fault
Improper sequence of throttle and the Key Switch or throttle out of calibration.
The high –pedal-disable (HPD) feature prevents controller outputs if the controller is turned on
when the throttle is not in neutral. After 10 seconds of a continuous HPD fault driving is
inhibited until power to the controller is cycled
(3,2)
Electromagnetic brake fault
(3, 4)
Electromagnetic brake fault
Check for a short circuit between wires of the brake coil or for open wires.
The drive is inhibited.
Replace the electromagnetic brake assembly.
(3,3)
Controller failure or low battery voltage
Check the voltage across the batteries (the total voltage battery)
If the voltage is greater than 21V then replace the controller otherwise proceed
with charging.
(
4
,
4
)
Short in motor or in motor wirin
g
or Controller failure
(
4
,
2
)
Motor fault or controller fault
or the motor voltage does not
match the throttle re
q
uest
(
2
,
1
)
Controller internal fault
(
2
,
2
)
Controller internal fault
(
4
,
1
)
Motor fault or Controller fault