Magnetek Elevator Quattro DC - Page 105

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.
A
t 1.5 PU current, the drive can
run for 60 seconds.
A
t 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.