Troubleshooting - Mafell ZAF 200/Vario Notice D'emploi

5

Troubleshooting

The determination of the causes of existing defects and their elimination always require increased
attention and caution. If possible, switch off the main switch or pull out the mains plug before
proceeding.
Some of the most frequent defects and their causes are listed as follows. In case of other defects, contact
your dealer or MAFELL directly.
Defect
Machine cannot be switched on. Mains cable not connected.
Machine switches itself off
while cutting is in progress.
Required cutting has not been Incorrect machine settings.
carried out correctly.
Irregular workpiece surface.
Chip ejection blocked.
Hose connector blocked during
operation of extractor unit.
Deceleration time of the cutting Defective brake or brake linings Have the brake checked by the MAFELL
tool exceeds 10 seconds.
No or irregular feeding action
under load.
Cause
Main switch in "off" position.
Power failure on one or several
phases.
Emergency off button has been
pressed.
Machine cover not closed.
Mode select switch set to position Set mode select switch to position "2" or
"0" or "1".
Overload protection has reacted. Eliminate the cause of the overload, wait
Overload protection has reacted Determine and eliminate the cause of
caused, for instance by power
failure on one or several phases. the motor protection switch has to be
The cutting edges of the reversi- Turn or replace reversible knives (see
ble knives became blunt.
Timber too damp or extended
operation without removal of
chips.
Machine set for operation with
extraction.
Extraction speed at the hose con- Increase air velocity at the hose con-
nectors too low.
worn.
Slipping clutch worn out or set
too low.
– 35 –
Troubleshooting
Insert coupling plug of the mains cable
into the socket of the switch box.
Switch on the main switch and start the
machine.
Check internal power supply.
Unlock the emergency off button by turn-
ing it left and switch the machine on.
Close cover.
"3" according to the cutting to be made.
until motor has cooled down and switch
on again the motor protection switch
inside the switch box.
the overload. Before switching on again,
switched on.
Check settings according to the re-
quired cutting (see section 3.4 to 3.8).
section 4.1).
Remove chips from below the ejection
shafts of the machine.
Open flaps at the ejection shafts (see
section 2.4).
nectors to at least 20 m/s (65.6 ft/s).
after-sales service.
Adjust slipping clutch by one tooth (see
page 70, ill. 19).