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20
1.10 Summarize
Before repairing, you must cut the main switch or breaker.
Electric repairing must be made by career man.
If the machine can’t work normally, use following information, you can find the reason. Check trouble and
collate symptom, as table 5-1.If the problem can’t be found at once, you should open the power to see ass
parts and wire.
Table5-1 Diagnose and remove
TROUBLE REASON
SHOOTING
Without output
1
．
Without voltage in input
terminal
2
．
Improper fuse or
breaker
3
．
Overload protective
setting
1
．
Check the fuse or breaker
2
．
Replace fuse or breaker
3
．
After cooling then try to
continue
Bad wire-feed
1. Have not enough pressure
2. Wing hat is too loose
3. Wire has been oxide
1
．
Tighten the impaction nut
2
．
Tighten wing nut
3
．
Replace wire spool
Current is too poor
1. Input voltage is too poor
2. Bad
connection
3. One or more commute
element have been
damaged
1. Check that if input voltage is
the same with rated voltage.
2. Check grounding cable and
make sure have well
connection.
3. Replace by career.
The welder line is
like sponge
1. No gas or little gas
2. The hole has been
blocked.
3. Haitian valve has been
blocked.
4. Bad gas and wire
1. Check
all
gas
2. Use compress air to clear
spoil
3. Open the welding torch and
check
4. Gas must be dry, use
another type wire.
When Pressing
switch the machine
can not working
1.Control wire broke off
2. Circuit plate damaged.
1. Check
by
career
2. Replace
circuit
plate
Warning
