Proxxon FF 500 CNC Commissioning Manual page 40

Communications
error or Time Out
Work piece zero
point is lost
40 of 55
Bad connection between PC and CNC
machine, COM interface defective
Sources of interference exist
Utilise original connecting cable
Machine zero point/reference point is not
approached
Incorrect zero point selected from table
Speed factors too high
Spindle contaminated
Mechanical stiffness of spindle
Feed in material too great
Speed of machining unit not co-ordinated
to tool, material and infeed
Mass to be moved is too great
Fastening screw of the axis to be moved
is too loose
Repair
External sources
interference (interfering
pulse, EMC-interferences)
(Cable length max. 2m)
First remove the causative
error.
Do not in any case set a
new work piece zero point.
Approach the machine zero
point by pressing
"POS1" key. This
establishes the initial work
piece zero point.
of
the
re-