Operation Manual

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A7 MIG Welder© Kemppi Oy 2018 1824
OPERATING MANUAL
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 lling, 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 o, disconnect the power supply and contact
the maintenance service.
5.2.1 Power source errors
Code Description Severity Measures
2 UNDERVOLTAGE
Undervoltage in the mains supply (phase missing).
Error Check the fuses.
3 OVERVOLTAGE
Lengthy overvoltage in the mains supply.
Error
4 OVERHEAT
The overheat detector of the power source has gone o during welding. Welding has
continued for too long without interruption or the ambient temperature is too high.
Minor error Do not switch o the power source. Let the fans cool down the device.
5 LOW AUXILIARY VOLTAGE
Undervoltage in power source control card’s auxiliary voltage. The control card is
defective.
Critical error Switch o and restart the power source. Contact the maintenance service if
the error is not resolved.
6 GENERAL FAILURE
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 o and restart the power source. Contact the maintenance service if
the error is not resolved.
9 MEASUREMENT CABLE
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.