Fronius TransPocket 1500 Instructions De Service page 79

Troubleshooting
Safety
Troubleshooting
No welding current
TP 1500, TP 1500
Mains switch is ON, indicator for selected welding process is not lit up
RC, TP 1500 TIG
Cause:
Remedy:
No welding current
Mains switch is ON, indicator for selected welding process is lit up
Cause:
Remedy:
Cause:
Remedy:
No welding current
Mains switch is ON, indicator for selected welding process is lit up, malfunction indicator
is lit up
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Warning! An electric shock can be fatal. Before opening the machine:
- Shift the mains switch into the „O" position
- Unplug the machine from the mains
- Put op an easy-to-understand warning sign to stop anybody inadvertently
switching it back on again
- Using a suitable measuring instrument, check to make sure that electrically
charged components (e.g. capacitors) have been discharged.
Warning! Inadequate PE conductor connections can cause serious injury and
damage. The housing screws provide a suitable PE conductor connection for
earthing (grounding) the housing and must NOT be replaced by any other
screws which do not provide a reliable PE conductor connection.
Break in mains lead
Check mains lead and mains voltage
Break in welding cable connection
Check plug-in connections
Faulty or broken earth connection
Earth workpiece
Maximum duty cycle exceeded - machine overloaded - fan is running
Observe duty cycle
Thermostatic cut-out system has tripped - fan is running; temperature
sensor is faulty
Wait until cooling down period is over, machine will switch on automatical-
ly - if not: machine should be serviced
Insufficient cooling air reaching machine
Ensure sufficient supply of cooling air
Dust filter is dirty
Clean the dust filter
Power module is very dirty
Remove cover of machine and clean out with compressed air (see "Care
and Maintenance")
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