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Operating Manual E4-2800/4200/5200 / M4-3000/4000/5500
04/2014
10
PROBLEMS DURING OPERATION
10.1 General
All equipmet is subject to strict final inspections. However, should there be any
problem, the device has to be checked according to the following instructions.
In case the problem can not be solved, please contact your authorized dealer.
A distinction is made between errors and warnings:
Errors
If errors occur, the welding process is stopped immediately. A re-ignition is not possible until
the error is resolved.
Some errors can be reset by switching the machine off and on see
error list
).
Warnings
Warnings serve as information that something is wrong. The welding process is not
interrupted. Ignored warnings can result in error messages.
LED indicator for system failures
Fig. 10-1
Overtemperature
Flashing LED:
Thermal overload of the device.
The welding process is interrupted. Welding is no longer
possible. After sufficient cooling, the unit is ready for use
again.
Water shortage
Lit LED:
Water shortage
Insufficient cooling liquid in the water tank.
Add coolant.
Reset the error by switching the unit off and on.
Call up error memory on the display:
Fig. 10-2
Upcoming system failures are shown on the display
and the welding process is interrupted immediately.
By simultaneously pressing and holding the keys
the upcoming errors are displayed in the “error
memory”. Scroll through the list of errors with the
keys
. Exit the error memory by pressing and
holding the keys
again.
Text display
3