37
®
MIG150 - NLFRENES - v1.0 - 12112013
EN
6 Trouble shooting
WARNING!
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 below. If the problem can’t be found at once, you should open the power to see
parts and wire.
Trouble
Cause
Solution
Without output
- Without voltage in input
terminal.
- Improper fuse or breaker.
- Overload protective setting.
- Check the fuse or breaker.
- Replace fuse or breaker.
- After cooling then try to continue.
Bad wire-feed
- Have not enough pressure.
- Wing hat is too loose.
- Wire has been oxide.
- Tighten the impaction nut.
- Tighten wing nut.
- Replace wire spool.
Current is too poor
- Input voltage is too poor.
- Bad connection.
- One or more commute
element have been
damaged.
- Check that if input voltage is the same with
rated voltage.
- Check grounding cable and make sure have
well connection.
- Replace.
The welder line is like
sponge
- No gas or little gas.
- The hole has been blocked.
- Haitian valve has been
blocked.
- Bad gas and wire.
- Check all gas.
- Use compress air to clear spoil.
- Open the welding torch and check.
- Gas must be dry, use another type wire.
When Pressing switch
the machine can not
working
- Control wire broke off.
- Circuit plate damaged.
- Check by career.
- Replace circuit plate.
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