Michigan Welding PLASMA30 - Trouble Shooting Chart

OPERATING MANUAL
17
PLASMA30 TROUBLE SHOOTING CHART
No
Breakdown
Analysis
Solutions
1
Alarm
Indicator 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%)
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
Fan appears damaged
Replacement may be required.
Contact the place of purchase
for a qualified repair agent.
Fan’s down-lead not
working
Contact the place of purchase
for a qualified repair agent.
Fan’s leaf is blocked
Clean the block
4
No response
after turning
on power
supply
Switch broken
Replacement may be required.
Contact the place of purchase
for a qualified repair agent
Power supply switch not
working
Replacement may be required.
Contact the place of purchase
for a qualified repair agent
Fuse appears damaged
Replacement may be required.
Contact the place of purchase
for a qualified repair agent
Transformer not working
Replacement may be required.
Contact the place of purchase
for a qualified repair agent
Main controlling board
appears damaged
Replacement may be required.
Contact the place of purchase
for a qualified repair agent
5
No response
after turning
on the torch
switch
Switch and down-lead are
broken
Replacement may be required.
Contact the place of purchase
for a qualified repair agent.
Switch board not working
Replacement may be required.
Contact the place of purchase
for a qualified repair agent.
Main controlling board
appears damaged
Replacement may be required.
Contact the place of purchase
for a qualified repair agent.
Transformer appears
damaged
Replacement may be required.
Contact the place of purchase for
a qualified repair agent.