Danaher Motion SuperDrive ACS24 Series, User Manual

Page: 74 / 99

Troubleshooting guide
26.04.2005
7.7.2 F
USE TO POWER STAGE IS BLOWN
Symptom
Verify that correct size fuse
was used.
Look for defective
mechanical component in
drive train which is creating
increased friction.
if vehicle has been
operating with heavy load,
at high speed or in a
repetitive stop/start cycle, or
above recommended limits,
try reducing speed, load,
accel. and decel rates.
Place vehicle back into
normal operation.
Replace fuse and restart
drive.
Replace drive.
start
end
Increased friction, heavier
load, high speed and rapid
start/stop all increase
average current drawn by
the drive. Vehicle may have
been operating at power
levels beyond it's operating
limit.
Does fuse blow again after
vehicle has been in
operation for some time.
Does fuse blow almost
immediately after main
contactor is closed.
The most likely reasons for
a blown fuse are a short
circuit in the drive power
stage or the average
current drawn by the drive
exceeds the fuse rating.
yes
no
yes
no
GTS012.CDR
Item No. 89Y05120A User's Guide 1.0
74