HBS 93-10-1552A, Руководство по эксплуатации, Страница: 53 / 64

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14 Troubleshooting
Fault Possible cause Fault localisation Fault remedy Performance
Continuously red
Display: 8 .. 2
Welding sequence too
fast
Power unit resets auto-
matically
Let switched on power
unit cool down
Trained personnel
Gun does not lift, in spi-
te of , and
No lift adjusted Check settings of wel-
ding gun
Modify set parameters Trained personnel
Short circuit of soleno-
id circuit of the welding
gun
Check resistance value
at control cable connec-
tor (18 Ω to 22 Ω) bet -
ween Pin 1 and Pin 2*)
Replace control cable
connector, control
cable and solenoid*)
Qualified specialists
Solenoid defective Check solenoid (18 Ω to
22 Ω)*)
Replace solenoid*) Qualified specialists
Fuse F3 4 AF defective Check fuse F3 4 AF*) Replace fuse F3
4 AF*)
Qualified specialists
Lifting impossible Solenoid circuit inter-
rupted
Check resistance value
at control cable plug
(18 Ω to 22 Ω) between
Pin 1 and Pin 2*)
Replace solenoid or
control line*)
Qualified specialists
No shielding gas Shielding gas not
connected
Check shielding gas
connection
Connect shielding gas Trained personnel
Shielding gas control
not enabled
Check gas control for
activity
Switch on shielding
gas control
Trained personnel
Shielding gas valve
defective
Check shielding gas
valve*)
Replace shielding gas
valve*)
Qualified specialists
Work marked with *) may only be carried out by qualified electricians!
‹
Please contact our Service department if none of the measures descri-
bed remedies the situation.
‹
Please use the form „Service & Support“ in the annex to send in the pow-
er unit.