Fault
The device does not perform
spot welding.
The device is blocked.
The yellow alarm LED
flashes slowly.
The device does not repeat
the spot welding process.
The yellow alarm LED
flashes quickly.
Battery does not charge.
The device is blocked.
The yellow alarm LED flas-
hes. The first green LED of
the battery status indicator
on the device flashes.
Remove the battery pack before starting any adjustment, cleaning and maintenance
work on the device. Only carry out maintenance work described in the operating instructions.
Clean with a dry cloth only. Some cleaning agents damage plastic or other insulated parts. Keep the device clean and
dry, free from oil and grease.
Maintenance schedule
Maintenance work to be carried out by the end user.
Restore or adjust the profile of the electrode tip.
Check electrodes and electrode holder for proper function.
Replace electrodes
26
Possible cause
Electrodes, contact areas and/or the
workpiece are dirty.
Yellow alarm LED is off. Battery is
damaged.
Yellow alarm LED is off. Fuse is defective. Contact MASTERSERVICE.
Device overheats.
You are trying to spot weld on a spot that
has already been welded. The device
does not allow a second spot weld on
the same spot.
Charging cable not correctly connected
to battery and/or plug-in socket.
Charging cable damaged.
Battery damaged.
Battery damaged.
Maintenance and care
Remedy
Clean the electrodes, contact areas and the
workpiece.
Replace battery.
Let the appliance cool down, then switch it off
and on again.
Reposition the device in a different place.
Connect the charging cable correctly.
Replace the charging cable.
Replace battery.
Replace battery.
Before instal-
after
lation and at
30 - 50 points
each recharge
after
500 points