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5 FAULT CODES
5
FAULT CODES
5.1
General
The fault code is used to indicate that a fault has occured in the equipment. It is indicated in
the display by an E followed by a fault code number. A unit number is displayed to indicate
which unit has generated the fault. Fault code numbers and unit numbers are shown
alternately.
If several faults have been detected only the code for the last occuring fault is displayed.
Press any function button or turn the knob to remove the fault indication from the display.
NOTE!
If the remote control is activated, deactivate the remote control by pressing
to remove the fault indication.
5.2
List of fault codes
U 0 = welding data unit
U 1 = cooling unit
5.3
Fault code descriptions
Below are described event codes at which the user himself can take corrective action. If any
other code is shown, send for a service technician.
Fault code
Description
E 6
High temperature
E 7
The thermal overload cut-out has tripped.
The current welding process is stopped and cannot be restarted until
the temperature has fallen.
Action: Check that the cooling air inlets or outlets are not blocked or
clogged with dirt. Check the duty cycle being used, to make sure that
the equipment is not being overloaded.
E 14
Communication error (bus off)
Serious interference on the CAN bus.
Action: Check that there are no faulty units connected on the CAN bus.
Check the tables.
Send for a service technician if the fault persists.
E 16
Hig open-circuit voltage VRD
Open circuit voltage has been to high.
Action: Turn of the mains power supply to reset the unit. Send for a
service technician if the fault persists.
0460 447 174
U 2 = power source
U 4 = remote control unit
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© ESAB AB 2018
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