General Troubles and Problem Solving
TROUBLE
CAUSES
PROBLEM SOLVING
Power lamp not light
1. No electricity input
2. Power switch of machine fails
1. Check incoming line
2. Replace the switch
Fan not rotating
1. Fan power line is off
2. enclosure blocks thefan due to
deformation
3. The fan fail
1. reconnect the line
2. reform the enclosure
3. replace the fan
Warning lamp lights
1.Over heat
2. Over current
1. Cutting after cooling
2.Input voltage too low or the machine fa
ils
No output
1. over current protection
2. The machine fails
1. Over load using
2. Maintenance in manufacturer or servic
e center
Output current
decreased
1. Input voltage too low
2. Input line is too thin
2. Power line is thickened
Current can not be regu
lated
1. connecting line of the
potentiometer is off
2. Potentiometer of current
regulation fails
1. Reconnecting the line
2. Replace the potentiometer
High frequency arc can
not be generated
1. The switch fails
2.Incorrect selection for the air fl
ow,the electrode fails
3. High frequency arc generator fa
ils
1. Replace the switch
2. Replace the electrode
3. Replace the high frequency arc gener
ator
