6
VIII.
This product is sold subject to the understanding that if any defect in manufacture or material
shall appear within 12 months from date of consumer sale, the manufacturer will arrange for
such defect to be rectified without charge on the sales invoice and warranty card ( exept for any
personal trouble ).
General Troubles and Problem Solving :
Trouble
Cause
Problem resolving
Power lamp not light
1. No electricity input
1. Check incoming line
2. Switch of welder fails
2. Replace the switch
3. Absense phase ( fan rotating )
3. Check incoming line
Fan not rotating
1. Fan power line is off
1. Reconnect the line
2. Enclosure blocks the fan due to
deformation
2. Reform the enclosure
3. The fan fails
3. Replace the fan
4. Absence phase ( red lamp lights )
4. Check yhe input power source
Warning lamp lights
1. Over heat ( yellow lamp lights )
1. Welding after cooling
2. Over current ( Green lamp lights )
2. Input voltage too low or the machine
fails
3. Absence phase ( red lamp lights )
3. Check incoming line
No output of welder
1. Absence phase protection ( red lamp
lights )
1. Check the input power
2. Over current protection
2. Over load using
3. Welder fails
3. Maintenance in manufacture
Output current
decreased
1. Input Voltage is low
1. Power line is thickened
2. Input line is too thin
Current can not be
regulated
1. Connecting line of the potentiometer is off 1. Reconnecting the line
2. Potentiometer for current regulation fails
2. Replace potentiometer
