Troubleshooting - Fronius TPS 320i Operating Instructions Manual

Troubleshooting

General The power sources are equipped with an intelligent safety system, meaning it has been
possible to dispense with nearly all fuses. After a possible malfunction has been remedied,
the power source can be used again as normal.
Possible malfunctions, warning notices or status codes are shown on the display as plain
text dialogues.
Safety
Power source -
Power source does not function
troubleshooting
Mains switch is on, but indicators are not lit up
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
No welding current
mains switch is on, overtemperature is displayed
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
WARNING! An electric shock can be fatal. Before opening the device
- Turn the mains switch to the "O" position
- Unplug the machine from the mains
- Prevent it from being switched on again
- Using a suitable measuring instrument, check to make sure that electrically
charged components (e.g. capacitors) have discharged
CAUTION! 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.
There is a break in the mains lead; the mains plug is not plugged
in
Check the mains lead, ensure that the mains plug is plugged in
Mains socket or mains plug faulty
Replace faulty parts
Mains fuse is faulty
Change the mains fuse protection
Overload; the duty cycle has been exceeded
Check duty cycle
Thermostatic automatic circuit breaker has tripped
Wait until the power source automatically comes back on after
the end of the cooling phase
Limited supply of cooling air
Ensure accessibility to cooling-air ducts
The fan in the power source is faulty
Replace the fan (After-Sales Service)
81