HANGCHA Mini CBD15-A3MC1 - Page 70

1212E FAULTS
When the controller detects a fault, the controller operates in a manner that is safe in the presence
of that fault. Depending on the severity of the fault, the controller’s response can range from
reducing current to shutting down the vehicle.
Some faults are set by multiple conditions. The controller uses fault types to distinguish these
conditions. All faults have a fault type of 1; faults with multiple causes have additional fault types.
Curtis programming devices indicate the fault type.
The emergency messages transmitted when faults occur include the fault type. See Emergency
Message Format.
The following table describes the controller’s faults.
Table 7-1 Fault Chart
FLASH
CODE
NAME
CAN
INDEX
POSSIBLE CAUSES
FAULT
TYPE SET CONDITION CLEAR CONDITION FAULT ACTIONS
11
Severe
Undervolta
ge
0x2120
• Defective controller
• Defective battery
1 The undervoltage
cutback is 0 for 64ms
with the main relay on.
Raise the Keyswitch
Voltage above the
brownout voltage.
Shut down throttle
12
Undervoltage
Cutback
0x2121
Low battery 1 The undervoltage cutback
is less than 100% with
the main relay on.
Raise the Keyswitch
Voltage above the user
undervoltage threshold.
Cut back the current
limit
13
Severe
Overvoltage
0x2130
• Incorrect batteryvoltage
• Defective main relay
• Defective controller AD
1 The capacitor voltage is
10V above the allowed
maximum voltage.
Cycle the keyswitch. Shut down motor
Shut down main
contactor
Shut down throttle
Shut down EM brake
2 The keyswitch voltage
is 4V above the allowed
maximum voltage.
14
Overvoltage
Cutback
0x2131
• Incorrect batteryvoltage
• Defective main relay
1 The battery voltage is
greater than the user
overvoltage threshold for
64ms during the regen
state or when the motor
speed is greater than 2V.
Lower the battery voltage
until it is under the user
overvoltage threshold.
Cut back the current
limit
15
Controller
Severe
Undertemp
0x2141
• Defective temperature sensor
• Low ambient temperature
1 The controller temperature
is less than or equal to
−40°C for 48ms.
Raise the controller
temperature above
−40°C.
Shut down throttle
16
Controller
Overtemp
Cutback
0x2140
• Defective temperature sensor
• High current for an
extended period
1 The controller
temperature is greater
than or equal to the
temperature cutback point
for 48ms.
Lower the controller
temperature to under the
temperature cutback point.
Cut back the current
limit