Troubleshooting - Mafell ZAF 250 VARIO Traduction De La Notice D'emploi Originale

the brake. For this reason, do not switch on
and off the machine (and thus activate the
brake) more often than approx. 40 times
per hour.
5

Troubleshooting

Always proceed with special caution and circumspection when troubles-
hooting. As a first step, always switch off the main switch or pull the power
plug.
Some of the most common faults and their causes are explained in the following. If your
machine displays other faults, please contact your dealer or the company MAFELL direct-
ly.
Fault
The machine does not switch
on.
Milling motor does not start.
The brake is designed to execute approx.
30,000 braking actions. With increasing
wear of the brake disk, the slowing-down
time will increase. When slowing down ta-
kes more than 4 seconds, the brake must
be replaced.
Cause
Power line not plugged in.
Main switch is not switched
on.
Failure of power supply on
one or several phases.
EMERGENCY STOP push-
button has been pressed.
Operating mode selection
switch is in switch position "0"
or "1".
Overload protection has trig-
gered.
Terminal with fuse has tripped Check free movement of pro-
Machine cover not closed.
– 40 –
Remedy
Plug in the power line at the
socket at the control cabinet.
Switch on the main switch and
start the machine.
Check the power supply in the
building.
Unlock the EMERGENCY
STOP pushbutton by pulling it
up. Switch the machine on.
Set the operating mode selec-
tor switch to position "2", "3",
or "4" depending on the desi-
red machining type.
Remedy the cause of the
overload. Wait for the machine
to cool, and re-activate the
motor protection switch in the
control cabinet.
tective curtain. Clean if neces-
sary.
Close cover