HELI CPD15 Service Manual

94
169
BMS current cutout protection
BMS cut output current and please check
battery.
171
BMS communication error
Please check CAN, controller and
battery.
4.8.3 SONGZHENG control system
Tab. 4-8 Fault code and treatment of SONGZHENG controller
No
Fault
Fault generation
condition
Fault exit condition
Troubleshooting
1
Motor phase line
Open
Motor phase line has more
than one phase not
connected;
1. Connect the phase
line;
2. Restart the key
1. Disconnect
immediately after
the contactor is
closed;
2. Fault indicating
lamp report 3-7 fault
code
2
Main contactor
coil open or
short circuit
DRV1 short circuit or
DRV1open circuit
1. Connect DRV1
coil;
2. Restart the
interlock switch
1. Main contactor
disconnected;
2. Fault indicating
lamp report 3-1 fault
code
3
Main contactor
adhesion
Main contactor adhesion
(note: enable contactor test
is required)
1. Replace the main
contactor;
2. Restart the key
1. The main
contactor is not
suction;
2. Within 2 seconds,
the fault indicator
will report the 3-8
fault code
4
Precharge fault
Precharge failure
1. Ensure the correct
connection of B+ and
B- lines;
2. Restart the key
1. The main
contactor is not
suction;
2. Within 2 seconds,
the fault indicator
will report the 1-4
fault code
5
High pedal
Close the key, in the given
direction or throttle >25%;
Neutral and throttle
output≤25%
1. The controller
does not output;
2. Failure indicator
light report 4-7
failure codes
6
Undervoltage
Power voltage ≤ the
configured undervoltage
value ±2V
Power
voltage >(configured
undervoltage value
+2V)±2V
1. Limit the
maximum current
output by the
controller
proportionally;
2. Failure indicator
light shall report 2-3
failure codes
7
Serious
undervoltage
Power voltage ≤ serious
undervoltage value ± 2V
(note: serious undervoltage
value = configured voltage
Power
voltage >(seriously
undervoltage
+2V)±2V
1. The controller
does not output;
2. The failure
indicator report a

HELI CPD15 Specifications

General

Brand	HELI
Model	CPD15
Category	Trucks
Language	English