Smart 120 Mini Syner
5. ANOMALIES. PROBABLE CAUSES. POSSIBLE SOLUTIONS.
SYMPTOM. ANOMALY
GENERAL PROBLEM.
NOTHING WORKS.
LIMITER JUMPS.
THE EQUIPMENT
MAKES "NOISE".
EQUIPMENT ON, BUT
DOES NOT WELD.
OVER-TEMPERATURE
INDICATOR
LIGHTED.
ELECTRODE BURNS IN
TIG WELDING
ABNORMAL HEATING
IN THE EQUIPMENT.
THERMAL PROTECTION
IS FAST-ACTING
POOR WELD SEAM
QUALITY
LOW WELDING
CURRENT
INTERVENTION ON THE EQUIPMENT MUST BE CARRIED OUT BY SPECIALISED PERSONNEL.
BOTH AT THE BEGINNING AND AT THE END OF A REPAIR CHECK THE INSULATION LEVELS OF THE
EQUIPMENT. DISCONNECT ELECTRONIC BOARDS WHEN MEASURING INSULATION.
The insulation tester shall have a voltage of 500 V DC and shall be applied at the following points of the circuit:
- Power supply - Earth: Ra > 50 MOhm.
- Welding - Earth: Ra > 50 MOhm.
- Power - Welding: Ra > 50 MOhm.
Gala Gar, S.L. c/ Jaime Ferrán, 19 (Políg. Cogullada) | Tel.: (+34) 976 47 34 10 - 50014 ZARAGOZA |
PROBABLE CAUSE.
The machine lacks voltage to some or
all of its vital elements.
Faulty ON/OFF switch.
Loose connector.
Magneto-thermal switch rating too
low for the case. There may be a
short-circuit which causes the limiter to
trip.
Loose metal housing.
Faulty electrical connections.
Damaged or improperly fastened fan. Check fan.
Indicator
illuminated.
The high temperature protection
system has been activated.
Excessive welding current for a given
electrode.
Use of reverse polarity.
Lack of shielding gas.
Equipment positioned in such a way
as to prevent proper ventilation.
The fan does not work.
Equipment
in
environment.
There is a loose connection internally. Check electrical power connections.
Defective electrode
Problem in cables or connections.
Earth clamp far away from the point to be
welded or rusted or painted part.
Low input voltage.
BLOW COMPRESSED AIR INTO THE EQUIPMENT.
BEFORE SWITCHING ON THE EQUIPMENT, CHECK THAT IT IS EMPTY.
DO NOT OPERATE THE ON/OFF SWITCH WITH AN ELECTRICAL LOAD
ATTACHED TO THE WELDING CONNECTORS.
POSSIBLE SOLUTION.
Check that there is voltage at the input of the machine;
if not, check if there is a tripped circuit breaker or
repair the socket or the supply hose.
Replace ON/OFF switch.
Tighten connectors correctly.
Replace the circuit breaker with a suitable one. If
the electrical installation is of limited power, try
welding at lower current levels.
Check and tighten the housing.
Tighten the connections correctly.
Overheated equipment, wait for it to cool down.
Do not turn it off, let the fan run.
Reduce welding current or replace electrode with
one of larger diameter.
Attach the electrode to the negative pole.
Regulate gas at an adequate flow rate.
Place the equipment in a ventilated area.
Replace fan.
a
very
warm
Protect from direct sun exposure.
Change electrode.
Check cables and solder connections.
Bring the earth clamp close to the point to be welded.
Clean rust or remove paint.
Repair the socket or the supply hose.
23/49
M
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