Troubleshooting - Nederman 591 Serie Manual De Usuario

EN Motor Damper
11
Problem
The damper does not open.
The damper does not close
completely. Noise from the
damper.
The damper opens without
any reason (automatic
damper).
12

Troubleshooting

If the trouble shooting guide in Table 11-1: Trouble shooting guide does not
solve the problem, contact your nearest authorized distributor or Nederman
for technical advice.
Table 11-1: Trouble shooting guide
Cause
Cable or connection failure.
Defective fuse F1.
Incorrect power supply or
voltage failure.
The sensor does not work
(automatic damper).
The damper motor does not
work.
Dirt in the damper housing and
on the damper blade.
The sensor indicates because
of disturbing surrounding
equipment, e. g. other welding
equipment or high voltage units.
Solution
Check that cables and cable
connections are in good condition
and screws are fastened.
Change the fuse F1 in the
operation box.
Check correct voltage connection:
block J6. Check with a voltmeter if
any voltage (24 V +- 10%) on block
J7.
•
Check that the sensor cable is in
good condition.
•
Check the sensor connection
to block J4 and that screws are
fastened.
•
Check that the LED on the
sensor clamp indicates during
welding.
•
Check that motor cables are in
good condition
•
Check according to wiring
diagram that cable conductors
are correctly connected to the
motor block and to block J1.
•
Check that screws are fastened.
•
Check with a voltmeter if any
voltage (24 V AC) on block J1.
•
Remove the damper motor (pull
the button A, see fig. 1).
•
Turn the damper blade with
a spanner a couple of times
backwards and forwards until
the dirt is gone.
•
Turn the damper blade to closed
position.
•
Refit the damper motor and
check that it indicates closed
damper position.
Eliminate or screen off the
disturbances.