GALAGAR Smart 160 PFC Manual Técnico De Instrucciones página 35

13. TROUBLESHOOTING.
Common malfunction analysis solution :
Malfunction Phenomena
Turn on the machine, the
power indicator does not
illuminate, the fan doesn't
work, and no welding
Turn on the machine, the
fan works, but the output
current is unstable and can't
be controlled
Turn on the machine, the
power indicator illuminates,
the fan works,
welding output.
The electrode holder
becomes
Excessive spatter in
MMA welding.
This product is being improved unceasingly, so differences may appear in parts except
for functions and operation. Thanks for understanding.
SMART 160 PFC
Check if the power switch is closed.
(1)
No input power.
(2)
The current potentiometer fails. Replace it.
(1)
Check if any loose contact exists inside the machine.
(2)
If any, reconnect.
Check if any loose contact exists inside the machine.
(1)
Open circuit or loose contact occurs at the joint of
(2)
output terminal.
The overheating LED illuminates.
(3)
The machine is under overheating protection
a)
status. It can recover automatically after the
but no
welding machine is cooled.
Check if the thermal switch is ok. Replace it if
b)
The rated current of the electrode holder is smaller than its
actual
The output polarity connection is incorrect. Exchange the
polarity.
Causes and Solutions
Pag. 35