Thermal Arc POWERMASTER 400SP, Руководство по обслуживанию

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POWERMASTER 400SP, 500SP AUTOMATION
7-2 Octobe r 30, 2008
7.02 System Troubleshooting Guide
Symptom Cause Remedy
Insufficient coolant th r ough flow due to pollution in
coolant
Flush the coolant hoses of the to r ch in opposite
di r ection
Contact tip is not tight o r the w r ong size fo r the wi r e
used
Check it
Nut of the to r ch hose is not tight Tighten it
No connection of the cont r ol cable in the to r ch hose Check and change if necessa r y
Ove r load of the unit and the r mal p r otection ope r ates Allow unit to cool down at no load
Wi r e elect r ode is tight at the spool Check and change if necessa r y
Bu rr at the wi r e beginning Cut bu rr f r om end of wi r e
W r ong contact p r essu r e at the wi r e-feed r olls Adjust it as desc r ibed in the manual
To r ch defective Check and change if necessa r y
No inte r mediate guide o r is di r ty Install o r clean the inte r mediate guide
Bad quality of welding wi r e Check and change if necessa r y
Rust fo r mation on the welding wi r e Check and change if necessa r y
To r ch line r is di r ty inside Disconnect the to r ch f r om the machine, unsc r ew
the contact tip and clean the line r with
comp r essed ai r
To r ch line r is defective Check and change if necessa r y
Moto r b r ake adjusted too st r ong Adjust as desc r ibed in the manual
Duty cycle ove r loaded Allow the machine to cool down
Poo r cooing of inte r nal unit pa r ts Check the ai r in and outlet
Coole r , hoses o r pump
a r e damaged
F r ozen systems due to low concent r ation of
r ecommended coolant in r e-ci r culato r
Contact the nea r est se r vice facility
A r c o r sho r t ci r cuit
between contact tip and
gas nozzle
Spatte r built up inside the gas nozzle Remove it with special plie r s
Unstable a r c W r ong diamete r contact tip o r wo r n out Change contact tip
The Cont r ol Panel is
completely blank
P r ima r y powe r phase missing Check the unit at anothe r powe r outlet. Check
powe r cable and mains fuses/ci r cuit b r eake r s
Gas cylinde r empty Replace it
Defective to r ch Check and r eplace it
Gas r egulato r di r ty o r defective Check and r eplace it
Valve of gas cylinde r defective Replace the gas cylinde r
Shielded gas switches
not off Valve of gas cylinde r di r ty o r does not close Remove to r ch and gas r egulato r and clean it
with comp r essed ai r
Inco rr ect setting of shielded gas Adjust as desc r ibed in the manual
Di r ty gas r egulato r Check valve
To r ch, gas hose blocked o r not ai r -tight Check and change if necessa r y
Shielded gas is blown away f r om d r aught Avoid d r aught
Phase missing Check the unit at anothe r powe r outlet. Check
powe r cable and mains fuses/ci r cuit b r eake r s
Poo r Wo r k lead connection Ensu r e good elect r ical contact between Wo r k
clamp and wo r kpiece
Wo r k lead not plugged in r ight Fasten wo r k lead by tu r ning the plug to the r ight
Defect to r ch Repai r o r r eplace it
Hot plug of wo r k lead Plug was not tightened by tu r ning to the r ight Check
Wi r e r olls do not fit the wi r e diamete r Install co rr ect wi r e r olls
W r ong contact p r essu r e at wi r e feede r Adjust as desc r ibed in the manual
To r ch too hot
No function when to r ch
button is p r essed
I rr egula r wi r e feeding
o r wi r e welds to the
contact tip
I
rr egula r wi r e feeding
o r no wi r e feeding
Highe r wi r e wea r out at
wi r e-feeding unit
Unit switches off
No shielded gas
Not enough shielded
gas
Dec r eased welding
pe r fo r mance