Trueshopping
Fault Diagnosis
5.1 Summary
Before repairing, you must cut the main switch or breaker.
If the machine does not work normally, use the following information in Table 5-1 Troubleshooting.
Electric repairing must be carried out by a qualified electrician.
Table 5-1 Troubleshooting
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
1.Control wire broke off
1.
Check by career
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