ESAB TXH 120, Инструкция по эксплуатации, Страница: 14 / 21

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7 FAULT--TRACING
Please also read the operating instructions for the welding components, e.g. power
source.
If the measures described below are not successful, please consult your dealer or
the manufacturer.
Problem Cause Solution
The arc does not strike
S
Cable or contact is poor.
S
Torch electrode is badly oxidised.
S
There are impurities in the
shielding gas (moisture, air).
S
The electrode used is too large
or stubby at low current
S
Check the cable and contact.
S
Regrind along the length of the
electrode.
S
Flush clean with gas.
S
Replace with a smaller electrode
No trigger function
S
Control cable interrupted/faulty.
S
Check/repair.
Gas shielding is poor
S
There are impurities in the
shielding gas (moisture, air).
S
There are impurities in the base
material (rust, lubricant).
S
Insufficient or total lack of
shielding gas.
S
It is too draughty at the welding
site.
S
Welding spray has fastened on
the gas lens or the gas hood.
S
Flush clean with gas.
S
Clean the base material.
S
Check contents of the gas
bottle/hoses and the pressure
setting.
S
Shield the welding area with
protective screens.
S
Clean or replace.
8 ORDERING SPARE PARTS
Spare parts may be ordered through your nearest ESAB dealer, see the last page of
this publication.
ESAB’s spare parts for the product , will be found on the internet
www.esab.com .
TXH
t
120--400w are designed and tested in accordance with the international and Eu-
ropean standards IEC/EN 60974--7 and EN 60974--7. It is the obligation of the service
unit which has carried out the service or repair work to make sure that the product still
conforms to the said standard.
GB