Mafell LO 55, Перевод оригинальной инструкции по эксплуатации

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9 Troubleshooting
Danger
Determining the causes for existing defects and eliminating these always requires
increased attention and caution. Pull the mains plug beforehand!
Some of the most frequent defects and their causes are listed in the following chart. In case of other defects,
please contact your dealer or the MAFELL customer service directly.
Defect Cause Elimination
Machine cannot be switched on No mains voltage Check the power supply and/or
press the main switch
Carbon brushes worn Take the machine to the
MAFELL customer service repair
shop or have it checked by a
skilled electrician
Machine switches off
automatically during idling Mains failure Ensure power supply, release
switch trigger and press again
Cooling mode completed
Machine stops while milling Excess temperature Switch on machine and allow to
cool in cooling mode
No mains voltage Check mains-side pre-fuse
Defect at the machine
Cause must be determined by
the customer service. Take the machine to the
MAFELL customer service repair
shop or have it checked by a
skilled electrician.
Overload switch-off Switch the machine on again
Speed decreases during milling Excessive chip removal Reduce chip removal
Feed rate too fast Reduce feed
Blunt milling cutter Grind or replace milling cutter
Wrong speed Wrong speed level set, speed
reduction button is pressed (LED
display flashes) Adjust level and increase speed;
adjust speed by means of speed
button below the LED display
Excessive speed, soft start or
speed control missing, braking
no longer possible Defective electronic system
Cause must be determined by
the customer service. Take the machine to the
MAFELL customer service repair
shop or have it checked by a
skilled electrician.
Unclean milling pattern Blunt milling cutter Grind or replace milling cutter
Uneven feed, wrong speed Mill with constant pressure and
reduced feed, adjust speed
Burn marks on the milled
surfaces Milling cutter unsuitable for the
work step or blunt, wrong speed,
feed rate too low Grind or replace milling cutter
Adjust speed and feed