Wire Feeder Errors; Welding Curve Errors - Kemppi A7 MIG Welder 350 Operating Manual

5.2.3 Wire feeder errors

Code Description
42 WIRE FEED MOTOR OVERCURRENT WARNING
The wire feed motor current is close to the current limit when the motor is running.
The wire feeder rolls are too tight, the wire spool brake is too tight, or the wire liner is
dirty.
43 WIRE FEED MOTOR OVERCURRENT ALARM
Current limit is exceeded while the wire feed motor is running, and the motor is
stopped. The wire feeder rolls are too tight, the wire spool is too tight, or the wire is
stuck.
44 WIRE FEED MOTOR SPEED ALARM
Wire feed motor tachometer signal missing. The tachometer is damaged or the
wiring is broken.
50 LICENSE IS MISSING
An attempt was made to use an optional accessory, welding program, or a specific
setting for welding that has not been activated using a license code.
51 THE REAR FEED ROLLS ARE SPINNING
The rear feed rolls are loose. The wire feed speed is slowed down or varies.
52 THE FRONT FEED ROLLS ARE SPINNING
The front feed rolls are loose. The wire feed speed is slowed down or varies.
53 COLLISION DETECTED
The collision sensor has been activated. The welding torch mounted on the arm of a
welding robot has collided with the welding piece or another obstacle.

5.2.4 Welding curve errors

Code Description
81 WELDING CURVE MISSING
Internal program error. The selected synergic welding curve was not found in the
memory. The system memory card is detached or defective.
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Severity Measures
Warning Check and replace the consumables in the wire feed unit and the torch.
Error Check and replace the consumables in the wire feeder unit and the torch.
Critical error Contact the maintenance service.
Error Acquire a license for the optional function you want from the device provider.
Warning Tighten the rear feed rolls.
Warning Tighten the front feed rolls.
Error Reverse the robot arm until the torch no longer touches the obstacle. Check
the torch in case of damages.
Severity Measures
Error Switch off and restart the power source. Contact the maintenance service if
the error is not resolved.
A7 MIG Welder 1735