Service Manual
HR15/17N HYBRID DC
English 07/16
68
39
Main Contactor did not Close
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake;
ShutdownPump.
1. Main contactor did not close.
2. Main contactor tips are
oxidized, burned or not making
good contact.
3. External load on capacitor
bank (B+ connection terminal)
that prevents capacitor bank
from charging.
4. Blown B+ fuse.
Set: With
the main contactor
commanded closed, the capacitor
bank voltage (B+ connection
terminal) did not charge to B+.
Clear:
Cycle KSI.
41
Throttle Wiper High
Shutdown Throttle.
1. See Monitor menu» Inputs:
Throttle Pot.
2. Throttle pot wiper voltage too
high.
Set:
Throttle pot wiper (pin 16)
voltage is higher than the high fault
threshold (can be changed with the
VCL function
Setup_Pot_Faults()
).
Clear:
Bring throttle pot wiper
voltage below the fault
threshold.
42
Throttle Wiper Low
Shutdown Throttle.
1. See Monitor menu» Inputs:
Throttle Pot.
2. Throttle pot wiper voltage too
low.
Set:
Throttle pot wiper (pin16)
voltage is lower than the low fault
threshold (can be changed with the
VCL function
Setup_Pot_Faults()
).
Clear:
Bring throttle pot wiper
voltage above the fault
threshold.
43
Pot2 Wiper High
FullBrake.
1. See Monitor menu» Inputs:
Pot2 Raw.
2. Pot2 wiper voltage too high.
Set:
Pot2 wiper (pin 17) voltage is
higher than the high fault threshold
(can be changed with the VCL
function
Setup_Pot_Faults()
).
Clear:
Bring Pot2 wiper voltage
below the fault threshold.
44
Pot2 Wiper Low
FullBrake.
1. See Monitor menu» Inputs:
Pot2 Raw.
2. Pot2 wiper voltage too low.
Set:
Brake pot wiper (pin 17) voltage
is lower than the low fault threshold
(can be changed with the VCL
function
Setup_Pot_Faults()
).
Clear:
Bring brake pot wiper
voltage above the fault
threshold.
45
Pot Low Overcurrent
ShutdownThrottle;
FullBrake.
1. See Monitor menu» Outputs:
Pot Low.
2. Combined pot resistance
connected to pot low is too
low.
Set:
Pot low (pin 18) current
exceeds 10mA.
Clear:
Clear pot low
overcurrent condition and
cycle KSI.
Code Programmer LCD Display
Effect of fault
Possible Cause
Set/Clear Conditions
Summary of Contents for HYBRID DC HR15N Series
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