Hanshen FKR350, Operation Manual

Page: 38 / 47

37
DEAL WITH PROBLEM
1 、 primary diagnose
In case problem happen such as can not welding ,current unstable
、
welding result
not good ,etc. Don't think it must be problem of welding machine. Welding machine
is correct but as some other cases, not problem really, such as
：
fuse broken, parts
loosen, forget switch ,wrongly enactment, cable broken, gas tube chap, etc. So, before
problem identify ,please check first, some problem can be solved easily .
Following, it is primary diagnose normally, From right table, find reason of problem,
and check conrresponding items,do some concerned repair accordingly.Fuse
：
include power fuse in control board （ 1A ）、 fuse for for wire-fed motor （ 8A ），
fuse for rear
（
8A
），
fuse for gas valve in PCB
（
1A
）。
Problem
item
Check part
And
Repair item
No arc No gas Can not fed wire Lift not goo
d
Arc unstable Welding seam not good Wire stick with workpiece Wire stick with electric nozzle Gas buboccur
Distribution
case
(in
letprotection)
Inletcable
●
If connect fuse broken
●
Connect loosen
●
If cable broken
●
If connect loosen
over-heat
○
○
○
○
○
○
○
○
○
○
○
○
Poweroperate
●
If seitch connect
●
Wrongly enaction for
wire dia,crater,gas supply
○ ○ ○ ○ ○ ○ ○ ○
Powerfuse
Gas bottle and
Gas adjustor
●
”power 1A”
、
”motor
8A”
、
”gas 1A”
、
”heater
8A”
、
fuse broken
●
Bottle cover gas remnant
●
Flowen actment
●
Connect loosen
○ ○ ○
○ ○
○
○
Gas soft tube
(from high
pressure
bottle to torch)
●
Connect loosen
●
Gas soft tube broken
○ ○