Error Codes; Power Source Errors - Kemppi A7 MIG Welder 350 Operating Manual

5.2 Error codes

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
2 UNDERVOLTAGE ALARM
Undervoltage in the mains supply (phase missing).
3 OVERVOLTAGE ALARM
Lengthy overvoltage in the mains supply.
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.
5 AUXILIARY VOLTAGE ALARM
Undervoltage in power source control card's auxiliary voltage. The control card is
defective.
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.
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.
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© Kemppi Oy 2017
Every incident is recorded in the logbook and
displayed to a user.
Severity Measures
Error Check the fuses.
Error
Minor error Do not switch off the power source. Let the fans cool down the device.
Critical error Switch off and restart the power source. Contact the maintenance service if
the error is not resolved.
Serious error Switch off and restart the power source. Contact the maintenance service if
the error is not resolved.
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.
A7 MIG Welder 1735