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55
A7 MIG Welder
© Kemppi Oy 2017
1735
OPERA
TING M
ANU
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5.2 Error codes
Every incident is recorded in the logbook and
displayed to a user.
Severity
Priority
Description
Warning
1
Does not stop or prevent welding.
Minor error
2
Any welding operations are interrupted in a controlled manner
(involving downslope and crater filling, for instance).
Error
3
Any welding operations are immediately interrupted.
Requires user acknowledgement from the user interface.
Serious error
4
Any welding operations are immediately interrupted.
To acknowledge the error, the device has to be restarted.
Critical error
5
Any welding operations are immediately interrupted.
Turn the machine off, disconnect the power supply and contact
the maintenance service.
5.2.1 Power source errors
Code
Description
Severity
Measures
2
UNDERVOLTAGE ALARM
Undervoltage in the mains supply (phase missing).
Error
Check the fuses.
3
OVERVOLTAGE ALARM
Lengthy overvoltage in the mains supply.
Error
4
OVERHEAT ALARM
The overheat detector of the power source has gone off during welding. Welding has
continued for too long without interruption or the ambient temperature is too high.
Minor error
Do not switch off the power source. Let the fans cool down the device.
5
AUXILIARY VOLTAGE ALARM
Undervoltage in power source control card’s auxiliary voltage. The control card is
defective.
Critical error
Switch off and restart the power source. Contact the maintenance service if
the error is not resolved.
6
INTERNAL ERROR IN THE POWER SOURCE
A defective control card/connection, or set limit exceeded. Unable to measure
auxiliary voltage or current/the set limit exceeded for overcurrent/auxiliary voltage.
Serious error
Switch off and restart the power source. Contact the maintenance service if
the error is not resolved.
9
MEASUREMENT CABLE ERROR
Failed to measure welding voltage using a measurement cable. The earth return
cable on the measurement cable is disconnected or defective.
Error
Connect the earth return cable on the measurement cable to the welding
piece, check the connection of the intermediate cable, and if necessary,
replace the intermediate cable.
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