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14 Troubleshooting
Fault
Possible cause
Fault localisation
Fault remedy
Performance
Continuously red
display:
EtA
Arrow keys sticking
Check arrow keys
Press arrow keys
Trained personnel
Continuously red
display:
EtP
Device temperature
too fast
Let switched on stud
welding unit cool down
Stud welding unit
resets automatically
Trained personnel
Gun does not lift, in
spite of
,
and
No lift adjusted
Check settings of wel-
ding gun
Modify set parameters
Trained personnel
Short circuit of sole-
noid circuit of the 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
No
display
Magnetic circuit inter-
rupted
Check resistance value
at control cable connec-
tor (18 Ω to 22 Ω) bet
-
ween Pin 1 and Pin 2*)
Replace solenoid or
control cable*)
Qualified specialists
Work marked with *) may only be carried out by qualified electricians!
Please contact our Service department if none of the measures de-
scribed remedies the situation.
Please use the form „Service & Support“ in the annex to send in the stud
welding unit.
Summary of Contents for 92-10-1504B
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