CIGWELD 255 - Power Source;Wirefeeder Problems

TRANSMIG 225, 255 MIG Power Source, 255 2R MIG Wirefeeder
Sep 16, 2008 29
14.05 Power Source / Wirefeeder Problems
FAULT
CAUSE
REMEDY
1
Indicator light is ON but
welding arc can not be
established.
Power Source is in the STANDBY
position.
Set the Power Source to a welding
setting.
2
Mains supply voltage is
ON. Indicator light is not
lit and welding arc can not
be established.
A
B
Primary fuse is blown.
Broken connection in primary circuit.
A
B
Replace primary fuse.
Have an Accredited CIGWELD Service
Agent check primary circuit.
3
Mains indicator light is not
lit but welding arc can be
established.
Burnt out Indicator light.
Have an Accredited CIGWELD Service
Agent replace Indicator light.
4
Mains supply voltage is
ON and Indicator light is
lit but when the torch
trigger switch is
depressed nothing
happens.
A
B
Torch trigger switch leads are
disconnected.
Circuit breaker tripped
A
B
Re connect Torch trigger switch leads
Reset Circuit Breaker(s)
5
Mains supply voltage is
ON, no wire feed but gas
flows from the MIG Torch
when the torch trigger
switch is depressed.
A
B
Electrode wire stuck in conduit liner or
contact tip (burn-back jam).
Faulty control PCB
A
B
Check for clogged / kinked MIG Torch
conduit liner or worn contract tip.
Replace faulty components.
Have an Accredited CIGWELD Service
Agent investigate the fault.
6
Wire feeds when the torch
trigger switch is
depressed but arc can not
be established.
Poor or no work lead contact.
Clean work clamp area and ensure good
electrical contact.
7
Jerky wire feed
A
B
C
D
Worn or dirty contact tip
Worn feed roll.
Excessive back tension from wire reel
hub.
Worn, kinked or dirty conduit liner
A
B
C
D
Replace
Replace
Reduce brake tension on spool hub
Clean or replace conduit liner
8
No gas flow
A
B
C
D
Gas hose is cut.
Gas passage contains impurities.
Gas regulator turned off.
Empty Cylinder
A
B
C
D
Replace or repair.
Disconnect gas hose from the rear of
Power Source or wirefeeder then raise
gas pressure and blow out impurities.
Turn on.
Replace cylinder.
9
Gas flow continues after
the torch trigger switch
has been released.
Gas valve has jammed open due to
impurities in the gas or the gas line.
Have an Accredited CIGWELD Service
Agent repair or replace gas valve.
10
Wire does not feed when
torch trigger depressed
A
B
Faulty trigger switch / lead
Circuit breaker tripped
A
B
Repair or replace Torch / trigger lead
Reset Circuit Breaker(s)
11
Wire continues to feed
when torch trigger
released
Torch trigger leads shorted
Repair or replace Torch / trigger lead
12
Wire feeds when the torch
trigger switch is
depressed but arc can not
be established and
OVERTEMPERATURE
led is illuminated
Power Source Overtemperature
Protection circuit has operated
Cease welding and allow Power Source
to Cool for 10 minutes. Overtemperature
led will extinguish when the Power
Source has cooled sufficiently.