HANGCHA CBD20-AEC1 Operation And Maintenance Manual page 91

Code Code
Brake Brake
Pump stops working Pump stops working
41 41 Throttle Wiper High Throttle Wiper High
Throttle invalid Throttle invalid
42 42 Throttle Wiper Low Throttle Wiper Low
Throttle invalid Throttle invalid
43 43 Pot 2 Wiper High Pot 2 Wiper High
Full brake Full brake
44 44 Pot2 Wiper Low Pot2 Wiper Low
Full brake Full brake
45 45 Pot Low Overcurrent Pot Low Overcurrent
Throttle invalid Throttle invalid
Full brake Full brake
46 46 EEPROM Failure EEPROM Failure
Motor stops Motor stops
Main contractor stops. Main contractor stops.
EM brake stops EM brake stops
Throttle stops Throttle stops
Interlock stops Interlock stops
Driver1-4 stop Driver1-4 stop
PD stops PD stops
Brake Brake
Pump stops Pump stops
HPD/Sequencing Fault HPD/Sequencing Fault
47 47
Throttle invalid Throttle invalid
47 47 Emer Rev HPD Emer Rev HPD
Throttle invalid Throttle invalid
49 49 Parameter Change Fault Parameter Change Fault
Motor stops working Motor stops working
Main contractor stops working Main contractor stops working
EM brake stops working EM brake stops working
Throttle invalid Throttle invalid
Brake Brake
Programmer display Programmer display
Fault display Fault display
https://www.besttruckmanuals.com/
83 83
Probable fault reason Probable fault reason
4. 4. Fuse Fuse protector protector disconnects disconnects. .
1. Throttle pot wiper voltage too 1. Throttle pot wiper voltage too
high high
1. Throttle pot wiper voltage too 1. Throttle pot wiper voltage too
low low
1. Pot 2 wiper voltage too high 1. Pot 2 wiper voltage too high
1. Pot 2 wiper voltage too low. 1. Pot 2 wiper voltage too low.
1. Potentiometer impedance is too 1. Potentiometer impedance is too
low. low.
1. Error writing to the 1. Error writing to the EEPROM EEPROM. It
may be caused by VCL writing to may be caused by VCL writing to
EEPROM, or CANBUS, or EEPROM, or CANBUS, or
incorrect parameter editing. incorrect parameter editing.
1. Wrong sequence setting of key 1. Wrong sequence setting of key
start, interlock, direction and start, interlock, direction and
throttle input sequence setting. throttle input sequence setting.
2. Wiring, 2. Wiring, switch key switch key, interlock, , interlock,
direction or throttle input fault. direction or throttle input fault.
1. Emer Rev already finished, but 1. Emer Rev already finished, but
the throttle, forward or reverse the throttle, forward or reverse
input and interlock do not return to input and interlock do not return to
neutral. neutral.
1. In order to protect 1. In order to protect truck safety truck safety, ,
change of certain special change of certain special
parameter is only valid after restart parameter is only valid after restart
the key switch. the key switch.
Deep fault Deep fault
reason/troubleshooting reason/troubleshooting
contactor contactor, , restart restart the the key key switch.
Reason ： ： Throttle
Reason Throttle pot w pot wiper(pin
16) voltage is higher than the 16) voltage is higher than the
high fault threshold(can be high fault threshold(can be
changed with the VCL function changed with the VCL function
setup_pot_faults() setup_pot_faults() ） ）
Troubleshooting ： ： Reduce
Troubleshooting Reduce the
throttle pot wiper voltage throttle pot wiper voltage
Reason ： ： Throttle
Reason Throttle pot w pot wiper(pin
16) voltage is lower than the low 16) voltage is lower than the low
fault threshold(can be changed fault threshold(can be changed
with the VCL function with the VCL function
setup_pot_faults() ） ）
setup_pot_faults()
Troubleshooting ： ： Raise
Troubleshooting Raise the
throttle pot wiper voltage throttle pot wiper voltage
Reason ： ： Pot 2 wiper(pin 17)
Reason Pot 2 wiper(pin 17)
voltage is higher than the high voltage is higher than the high
fault threshold(can be changed fault threshold(can be changed
with the VCL function with the VCL function
setup_pot_faults() ） ）
setup_pot_faults()
Troubleshooting ： ： Reduce the pot
Troubleshooting Reduce the pot
wiper voltage wiper voltage
Reason ： ： Pot 2
Reason Pot 2 wiper(pin 1 wiper(pin 17) 7)
voltage is lower than the low fault voltage is lower than the low fault
threshold(can be changed with threshold(can be changed with
the VCL function the VCL function
setup_pot_faults() ） ）
setup_pot_faults()
Troubleshooting ： ： Increase the pot
Troubleshooting Increase the pot
wiper voltage wiper voltage
Reason ： ： Pot low
Reason Pot low end (pin 18) end (pin 18)
exceeds 10mA. exceeds 10mA.
Troubleshooting: Reduce low end Troubleshooting: Reduce low end
current, restart the key switch current, restart the key switch
Reason ： ： Controller system tries to
. It
Reason Controller system tries to
write into EEPROM but failed. write into EEPROM but failed.
Troubleshooting ： ： Download
Troubleshooting Download
correct software(OS), set correct correct software(OS), set correct
parameter parameter, and then , and then restart the restart the
key switch. key switch.
Reason ： ： The wrong input of key
Reason The wrong input of key
start, interlock, direction and start, interlock, direction and
throttle cause HPD and throttle cause HPD and
sequencing fault. sequencing fault.
Troubleshooting ： ： Re-input
Troubleshooting Re-input
according to correct sequence. according to correct sequence.
Reason ： ： After Emer Rev fi
Reason After Emer Rev finishes,
each input does not return to each input does not return to
neutral, that cause the fault. neutral, that cause the fault.
Troubleshooting ： ： Re-input
Troubleshooting Re-input
according to correct sequence. according to correct sequence.
Reason ： ： Parameter change
Reason Parameter change
needs restart of the key switch. needs restart of the key switch.
Troubleshooting Troubleshooting ： ： Restart the key Restart the key
switch switch
switch.
iper(pin
the
iper(pin
the
nishes,