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37. Trouble - shooting

Any remedial action to defective electrical equipment must be carried out by a qualified electrician!
Malfunction/error
Display
T°C – 01/02/03 – hot
Display
T°C – int – e.g. +56
(See Point 20)
Display (continuously)
Err H2o ---
(To clear switch machine off and
on)
Main switch ON
1 or 2 green Indicator lights on the
front plate are not lit
(see control elements)
Main switch ON
Green control lamps are light
Control box MC without function
No function after pressing torch
trigger key
Fire feed motor out of service
Wire buckling between wire feed
rollers and guide tube
Irregular wire feed
Operating manual
Cause
Engine overheated
(See Point 31)
Thermal sensor line interrupted
Wrong type of machine in the
control box set
Ambient temperature below -10 ° C
or above +50 ° C
Thermocouple defect in the control
box
Water tank empty
Water flow below 0.25 l / min
Flow meter is defective
Failed one or more system phases
Fuse in the front plate defective
Secondary fuse on auxiliary
transformer defective
Fuse in control box MC defective
Cable in torch hose pack defective
/ broken
Torch trigger defective
Torch control line interrupted
Control box MC defective
Control box MC defective
Fire feed motor defective
Wiring between control box and
Motor interrupted
Pressure of the wire feed rolls to
big
Distance from wire feed rollers to
guide tube too far
Bad uncoiling of wire
Wire-holding arbour runs heavily
Wrong wire feed roller
Dirty / defective wire guide tube or
spiral
Cogged / defective current contact
tip
Dirty/ rusty welding wire
Wire guide tube misaligned with
wire feed roller groove
tecMIG 450/600
Remedy
Machine to cool down with a
running fan
Look for and eliminate interruption
Contact service partner
Bring Machine into normal
temperature range
Change control box
Sensor repaired
Fill in cooling water with alcohol in
the ratio 4:1
Check water flow
Torch / pipe
Flow meter exchange
Check main supply and fuses
Change fuse 2A slow
Change fuse 6,3A slow
Change fuse 6,3A slow
Check 5 pole cable
Change torch trigger
Check torch control line
Change control box
Change control box
Change wire feed motor
Check wiring
See chapter 30
Check distance / realign wire guide
tube
Check / refit wire coil
Check wire- holding arbour
Use the right wire feed roller
See chapter 30
See chapter 30
Clean / exchange current contact
tip
Exchange welding wire
See chapter 30
Page 51

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Diese Anleitung auch für:

Tecmig 600

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