nifty HYBRID DC HR15N Series, Руководство по обслуживанию

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63
English 07/16
Service Manual
HR15/17N HYBRID DC
6.6 Motor Controller Fault Codes
Code Programmer LCD Display
Effect of fault
Possible Cause
Set/Clear Conditions
12
Controller Overcurrent
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake;
ShutdownPump.
1. External short of phase U,V,
or W motor connections.
2. Motor parameters are mis-
tuned.
3. Controller defective.
4. Speed encoder noise
problems.
Set: Phase current exceeded
the current measurement limit.
Clear: Cycle KSI.
13
Current Sensor Fault
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake;
ShutdownPump.
1. Leakage to vehicle frame
from phase U, V, or W (short in
motor stator).
2. Controller defective. Set: Controller current sensors
have invalid offset reading.
Clear: Cycle KSI.
14
Precharge Failed
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake;
ShutdownPump.
1. See Monitor menu » Battery:
Capacitor Voltage.
2. External load on capacitor
bank (B+ connection terminal)
that prevents the capacitor
bank from charging.
Set: Precharge failed to charge
the capacitor bank to the KSI
voltage.
Clear: Cycle Interlock input or
use VCL function Enable_
Precharge().
15
Controller Severe Undertemp
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake;
ShutdownPump.
1. See Monitor menu »
Controller: Temperature.
2. Controller is operating in an
extreme environment.
Set: Heatsink temperature
below -40°C.
Clear: Bring heatsink
temperature
above -40°C, and cycle
interlock or KSI.
16
Controller Severe Overtemp
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.
Set: Heatsink temperature
above +95°C (194°F).
Clear: Bring heatsink
temperature
below +95°C (194°F), and
cycle interlock or KSI.