Quattro DC Troubleshooting
103
Name
Description
Possible Causes & Corrective Action
Drive Temp.
(alarm)
One or more of the IGBT
modules on the motor side
power bridge has exceeded
85
C (185
F).
Overtemperature Problems
Verify that the two fans located under the
power module are both working properly
Inspect and clean air intake filters
Verify ambient temperature is less than 45
C
Verify drive is sized correctly
Possible defective temperature sensor
Hardware problem
Replace the motor side product interface
board (A4)
DRIVE
OVERLOAD
Drive has detected an overload
condition.
At 1.0 PU current the drive can
run continuously.
At 1.5 PU current, the drive can
run for 60 seconds.
At 2.5 PU current, the drive can
run for 5 seconds.
In the event these limits are
exceeded, the drive will declare
a DRIVE OVRLOAD fault and
shutdown. These settings are
not adjustable and cannot be
defeated.
Check Connections
Monitor D2 Motor overload to help identify
when the fault occurred.
An unusual condition causing unusual drag on
the motor.
Defective motor fields.
Summary of Contents for Quattro DC
Page 161: ...Appendix Input Voltage Requirements 159 Figure 41 300A Application Guide...
Page 177: ......
