Nederman 591 Série Manuel D'instruction page 12

EN Fan Control Series 591
7 Recycling
The product has been designed for component materials to be recycled. Its
different material types must be handled according to relevant local regulations.
Contact the distributor or Nederman if uncertainties arise when scrapping the
product at the end of its service life.
8 Troubleshooting
If the trouble shooting guide does not solve the problem, contact your nearest
authorized distributor or Nederman for technical advice.
WARNING!
Be aware of primary voltage, 100–480 V.
Table 8-1: Trouble shooting guide
Error
The fan does not start.
The fan does not start.
The fan starts without
any reason (automatic
system).
12
Risk of personal injury.
Possible cause
1. Cable failure.
2. Defective fuse F1.
3. Incorrect power
supply or voltage
failure.
4. Fan contactor does
not work.
5. The motor protector
has released.
6. Main or safety switch
has been shut off.
The sensor does
not work (automatic
system).
The sensor indicates
because of disturbing
surrounding equipment
as for example other
welding equipment or
high voltage unit.
Solution
1. Check that cables and cable
connections are in good condition and
screws are fastened.
2. Change the fuse F1 in the operation box.
3. Check the power supply to the fan
(all phases). Check correct voltage
connection: block J6. Check with a
voltmeter if any voltage (24 V ±10 %) on
block J7.
4. Check according to wiring diagram
that cable conductors are correctly
connected to the fan contactor box and
to block J2 and J7.
5. Check the motor. Reset the motor
protector.
6. Check main and safety switch.
•
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 the welding work.
•
Eliminate or screen the disturbances off.