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ARKO welding FLUX 100 Manual Técnico De Instrucciones página 9

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ARKO FLUX 100
5. ANOMALIES. PROBABLE CAUSES. POSSIBLE SOLUTIONS.
SYMPTOM. ANOMALY.
GENERAL PROBLEM
NOTHING WORKS
.
LIMITER TRIPS
ALTHOUGH THE MACHINE IS
CONNECTED AND WITH THE
SWITCH ON, THERE IS NO
REACTION WHEN PRESSED
THE EQUIPMENT DOES NOT
WELD CORRECT.
"IT ADJUSTS BADLY"
THERE ARE MANY
PROJECTIONS IN THE
WELDING PROCESS
SPECIALIZED PERSONNEL MUST CARRY OUT ANY WORK ON THE EQUIPMENT.
BOTH AT THE BEGINNING AND END OF A REPAIR, BLOW THE INSIDE OF THE EQUIPMENT WITH
COMPRESSED AIR.
ELECTROMAGNETIC COMPATIBILITY (CEM).
The user is responsible for the installation and use of the welding material according to the instructions in
this manual and the following recommendations.
Before installing the welding material, the presence of the following in the surrounding area must be kept in
mind:
• Wiring for power, control, signalling, and telephones.
• Radio and television receivers and transmitters.
• Computers and other control equipment.
• Critical security equipment.
• People with pace makers or hearing aids.
• Measurement and calibration equipment.
In order to reduce EMC problems, keep in mind the time of day when welding or other activities will be
carried out. Move possible interference victims away from the welding installation.
ALWAYS CONNECT THE MACHINE TO POWER USING AN EFFICIENT EARTH TAP.
IF PROTECTIVE DEVICES OR SUPPLEMENTARY ELECTRICAL SYSTEM FILTERS ARE NEEDED,
CONSULT OUR TECHNICAL SERVICE.
PERFORM THE MAINTENANCE OPERATIONS DESCRIBED IN THIS MANUAL.
USE THE SHORTEST WELDING WIRES POSSIBLE AND KEEP THEM PLACED NEXT TO EACH OTHER
NEAR THE FLOOR.
IF THE WELDING PIECE IS GROUNDED, KEEP IN MIND OPERATOR SAFETY AND NATIONAL
.
REGULATIONS
PROBABLE CAUSE.
The machine has no voltage in one or all its
vital elements.
Magnetothermal switch has low gauge for the
case. There may be a short circuit, which is
what causes the limiter to trip.
Problem in the internal connection.
The thermal protection has "blown". Pilot F
illuminated.
Faulty electronic card.
Failure of the pistol switch which does not
make perfect contact.
Low effective welding voltage. Output wave
not correct.
The welding wire has a mechanical resistance
at the outlet, which prevents it from having a
regular speed.
POSSIBLE SOLUTION.
1. Make sure there is voltage at the entry to the
machine, if not the tapping must be changed. It is
advisable to see if any magnetothermal has "blown".
2. Check that fuse T of the power source is not
open.
Change the magnetothermal for another larger
gauge one. It is important for the magnetothermal
switch to have a characteristic slow type curve.
Check that the internal connections are corrects.
Wait until the machine cools down correctly. Do not
disconnect the machine.
Replace the electronic card.
Change the gun microswitch.
Check that there is not a phase failure in the supply
power.
Check that the electrical contact elements of the
welding circuit are correct: Welding mass, rusty or
very dirty surfaces, contact nozzle with greater
diameter than the wire, etc.
Test the electrical diagram of the power source:
input and output voltages to the rectifier.
Examine the welding gun. Blow the inside (cable)
with compressed air.
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