Troubleshooting; Safety; Troubleshooting Table - Fronius Transpocket 1500 Erdstrom Serviceanleitung, Ersatzteilliste

Troubleshooting

Safety

Troubleshooting Error
table
No welding current
Mains switch is ON,
operational readiness
indicator not lit up
No welding current
Mains switch is ON,
operational readiness
indicator is lit up
No welding current
Mains switch is ON,
operational readiness
indicator is lit up
No welding current
Mains switch is ON,
operational readiness
indicator lights up,
malfunction indicator flashes
No welding current
Mains switch is ON,
operational readiness
indicator lights up,
malfunction indicator flashes
Also: visible damage to the
transformer (transformer
cables are charred)
Warning! An electric shock can be fatal. Before opening up the power source,
switch it off, unplug it from the mains and put up a warning sign to stop
anybody inadvertently switching it back on again. If necessary, discharge the
electrolytic capacitors.
Cause
Break in mains lead
Mains switch is faulty
Break in welding cable connec-
tion
Faulty or broken earth connec-
tion
LCA 15 malfunction / is faulty Switch power source off, wait
Maximum duty cycle exceeded
- machine overloaded
Thermostatic cut-out system
has tripped - fan is running;
temperature sensor is faulty
Insufficient cooling air reac-
hing machine
Dust filter is dirty
Power module is very dirty (e.g.
Operation
atachmnet)
Fault in power section
Transformer is faulty
34
Remedy
Check mains lead and mains
voltage
Replace the mains switch (see
the section headed "Installa-
tion instructions for rear of
housing, mains switch and
mains cable")
Check plug-in connections
Earth workpiece
10 seconds, and switch back
on again. If fault recurs despite
several tries - replace LCA 15
board (see the section "Install-
ation instructions for LCA 15
board")
Observe duty cycle
Wait until cooling down period
is over; machine will switch on
automatically - if not: machine
should be serviced
Ensure sufficient supply of
cooling air
Remove the filter attachment
and clean or change filter insert
Remove cover of power source
without filter and blow inside of machine
clean with dry, oil-free, reduc-
ed-blow compressed air (see
"Care and Maintenance")
Switch power source off, wait
10 seconds, and switch back
on again. If fault recurs despite
several tries - check power
source
Exchange the transformer (see
"Installation instructions for
transformer")