Fronius TransPocket 3500, Руководство по эксплуатации

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67
EN
Troubleshooting
General The power source is fitted with an intelligent safety system that allows fuses to be dis-
pensed with entirely. After a possible malfunction or error has been remedied, the power
source can be put back into normal operation again without any fuses having to be re-
placed.
Safety
Fault diagnosis Power source has no function
Mains switch is on, but indicators are not lit up
Cause: There is a break in the mains lead; the mains plug is not plugged in
Remedy: Check the mains lead, ensure that the mains plug is plugged in
Cause: Mains socket or mains plug faulty
Remedy: Replace faulty parts
Cause: Mains fuse protection
Remedy: Change the mains fuse protection
No welding current
Mains switch is ON, overtemperature indicator is lit up
Cause: Overload
Remedy: Check duty cycle
Cause: Thermostatic safety cut-out has tripped
Remedy: Wait until the power source automatically comes back on at the end of the
cooling phase
Cause: Insufficient cooling air intake
Remedy: Ensure adequate air supply
Cause: Power module very dirty
Remedy: Clean device using dry compressed air (see "Care and maintenance")
Cause: The fan in the power source is faulty
Remedy: Have device serviced
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.