Troubleshooting Tp 1100, Tp 1200 - Fronius TransPocket 1100 Operating Instructions Manual

Troubleshooting
No welding current
TP 1100, TP 1200
Mains switch is ON, operational readiness indicator is lit up, malfunction indicator flas-
(continued)
hes
Cause:
Remedy:
No welding current
After the machine is switched on, all indicators are permanently lit up (longer than 2
seconds)
Cause:
Remedy:
Arc sometimes breaks during welding
Cause:
Remedy:
Cause:
Remedy:
Mains fuse and/or safety cut-out has tripped
Cause:
Remedy:
Cause:
Remedy:
Loud bang
in some cases the mains fuse or automatic circuit-breaker is tripped as well
Cause:
Remedy:
Fault in power module
Switch machine off and back on again; if the error keeps on occurring -
send machine in for service
Short-circuit (secondary side)
Stop the short-circuit (disconnect the rod-electrode cable or earthing
cable from the current socket with the bayonet latch. If the error keeps on
occurring - send machine in for service
Arc-burning voltage of electrode too high (e.g. grooved electrode)
If possible, use different type of electrode or a machine capable of deliver-
ing greater welding current
Mains undervoltage
Measure mains voltage on machine, increase the cross-sectional area of
the supply lead
Mains fuse too weak; incorrect safety cut-out
Insert correct fuse (see technical data)
Mains fuse is tripped under no-load conditions
Machine should be serviced
Varistor (overvoltage protector) has been tripped; mains voltage error
Replace the varistor - may only be done by skilled, trained personnel -
otherwise send machine to After-Sales Service
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