Fault
The mains plug is connected
to the mains. The mains plug is
switched on, but its light does
not illuminate.
The welding power is too low. Too high voltage drop in the mains
The mains fuse blows.
You pressed the key on the
welding tool. The background
colour of the tool symbol does
not change from white to blue
on the display 1.
Thermostat protection
The device is equipped with thermostat protection. If the device overheats, a message is output to the
display [1].
Once the device has cooled and is again ready for use, the message automatically disappears.
16
Troubleshooting tips
Possible cause
Problem in the mains supply
supply.
Cable is wound up.
Mains power is too low.
There is a break in the control circuit.
Remedy
Check the mains supply.
Increase the conductor cross section
of the workshop mains cable (for
lengths > 15 m, a conductor cross
section of 3 x 4 mm² is required).
Unwind cable or cable drum.
Use a slow fuse after checking with
an expert. Check the mains supply.
Check plug connection.
Check control lead.
Check microswitch.