SCA CARiARC 140DB, Руководство пользователя

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17 18
TROUBLESHOOTING
No. Specification
Analysis Solutions
1
Yellow Indicator is
on
Voltage is too high
(≥15%) Switch off power source;
Check the main supply;
Restart welder when power
recovers to normal state.
Voltage is too low
(≤15%)
Bad power
ventilation lead to
over-heat
protection
Improve the ventilation
condition.
Circumstance
temperature is too
high. It will automatically recover
when the temperature low
down.
Using over the
rated duty-cycle. It will automatically recover
when the temperature low
down.
2
Cooling Fan not
working or turning
very slowly Switch broken Replace the switch
Fan broken Replace or repair the fan
Wire broken or
falling off Check the connection
3 Arc is not stable and
splash is large Too large contact
tip makes the
current unsteady Change the proper contact tip
or roller
Too thin power
cable makes the
power astaticism Change the power cable
Too low input
voltage Enhance the input voltage
THE CIRCUIT CHART