M17 Service Information 90
17358
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08
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20
16)
4-15
TROUBLESHOOTING
Curtis 123
2SE
Controller Diagnostic Codes, continued
13
14
15
16
17
Severe Undervoltage
Reduced drive torque.
TROUBLESHOOTING CHART
FAULT CONDITION
CODE
EFFECT OF FAULT
POSSIBLE CAUSE
SET/CLEAR CONDITIONS
12
Controller Overcurrent
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake;
ShutdownPump.
1. Leakage to vehicle frame from phase
U, V, or W (short in motor stator).
2. Controller defective.
Current Sensor Fault
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake;
ShutdownPump.
1. External load on capacitor bank (B+
connection terminal) that prevents
the capacitor bank from charging.
2. See Monitor menu » Battery:
Capacitor Voltage.
Precharge Failed
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake;
ShutdownPump.
1. See Monitor menu»Controller:
Temperature.
2. Controller is operating in an extreme
environment.
Controller Severe Undertemp
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake;
ShutdownPump.
1. See Monitor menu » Controller:
Temperature.
2. Controller is operating in an extreme
environment.
3. Excessive load on vehicle.
4. Improper mounting of controller.
Controller Severe Overtemp
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake;
ShutdownPump.
1. Battery Menu parameters are
misadjusted.
2. Non-controller system drain on
battery.
3. Battery resistance too high.
4. Battery disconnected while driving.
5. See Monitor menu » Battery:
Capacitor Voltage.
6. Blown B+ fuse or main contactor
did not close.
Set:
Controller current sensors have
invalid o˜ set reading.
Clear:
Cycle KSI.
Set:
Phase current exceeded the
current measurement limit.
Clear:
Cycle KSI.
Set:
Precharge failed to charge the
capacitor bank to the KSI voltage.
Clear:
Cycle interlock input or use VCL
function.
Set:
Heatsink temperature below -40°C.
Clear:
Bring heatsink temperature
above -40°C, and cycle interlock or KSI.
Set:
Heatsink temperature above +95°C.
Clear:
Bring heatsink temperature
below +95°C, and cycle interlock or KSI.
Set:
Capacitor bank voltage dropped
below the severe undervoltage limit
with FET bridge enabled.
Clear:
Bring capacitor voltage above
severe undervoltage limit.
1. External short of phase U, V, or W
motor connections.
2. Motor parameters are mis-tuned.
3. Controller defective.
TROUBLESHOOTING CHART, continued
FAULT CONDITION
CODE
EFFECT OF FAULT
POSSIBLE CAUSE
SET/CLEAR CONDITIONS
18
Severe Overvoltage
1. See Monitor menu » Battery:
Set:
Capacitor bank voltage exceeded
the Severe Overvoltage limit with FET
bridge enabled.
Clear:
Bring capacitor voltage below
Severe Overvoltage limit, and then
cycle KSI.
ShutdownMotor;
Capacitor Voltage.
ShutdownMainContactor;
2. Battery menu parameters are
ShutdownEMBrake;
misadjusted.
ShutdownThrottle;
3.
Battery resistance too high for given
FullBrake;
regen current.
ShutdownPump.
4.
Battery disconnected while regen braking.
22
Controller Overtemp Cutback
1. See Monitor menu » Controller:
Set:
Heatsink temperature exceeded
85°C.
Clear:
Bring heatsink temperature
below 85°C.
Reduced drive and brake
Temperature.
torque.
2. Controller is performance-limited
at this temperature.
3.
Controller is operating in an extreme
environment.
4. Excessive load on vehicle.
5. Improper mounting of controller.
23
Undervoltage Cutback
1.
Normal operation. Fault shows that
Set:
Capacitor bank voltage dropped
below the Undervoltage limit with the
FET bridge enabled.
Clear:
Bring capacitor voltage above
the Undervoltage limit.
Reduced drive torque.
the batteries need recharging.
Controller is performance limited
at this voltage.
2.
Battery parameters are misadjusted.
3.
Non-controller system drain on battery.
4. Battery resistance too high.
5.
Battery disconnected while driving.
6. See Monitor menu » Battery:
Capacitor Voltage.
7. Blown B+ fuse or main contactor
did not close.
24
Overvoltage Cutback
1.
Normal operation. Fault shows that
Set:
Capacitor bank voltage exceeded
the Overvoltage limit with the FET
bridge enabled.
Clear:
Bring capacitor voltage below
the Overvoltage limit.
Reduced brake torque.
regen braking currents elevated the
battery voltage during regen braking.
Controller is performance limited
at this voltage.
2.
Battery parameters are misadjusted.
3.
Battery resistance too high for given
regen current.
4.
Battery disconnected while regen braking.
5.
See Monitor menu » Battery:
Capacitor Voltage.
25
+5V Supply Failure
1. External load impedance on the
Set:
+5V supply (pin 26) outside the
+5V +/-10% range.
Clear:
Bring voltage within range.
None, unless a fault action
+5V supply (pin 26) is too low.
is programmed in VCL.
2. See Monitor menu » outputs:
5 Volts and Ext Supply Current.
26
Digital Out 6 Overcurrent
1. External load impedance on Digital
Set:
Digital Output 6 (pin 19) current
exceeded 15 mA.
Clear:
Remedy the overcurrent cause
and use the VCL function
Set_DigOut()
to turn the driver on again.
Digital Output 6 driver
Output 6 driver (pin 19) is too low.
will not turn on.
PMC004
Terms:
KSI = Key Switch Interlock
FET = F
ield-Eff
ect Transistor
Содержание M17 Series
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