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Equipment care / maintenance / repair
Chapter 7
02.08.2011
Working Instructions WIDOS 4900 CNC 3.5
Page 45 of 68
Error message
Cause
Remedial action
ambient.temp.
not o.k. !
Ambient temperature is higher
than 50° C or lower than 0° C
Use a welding tent or umbrella
or pre-heat pipe ends
error des. temp.
choose material !
No pipe parameters were set
Set pipe parameters
error: check cable
to way measuring !
Travel measuring cable is not
connected or defective
Connect or replace travel
measuring cable
error: pipes not
well in place !
In the pressureless phase, the
pipes open the clamping devices
Prevent the clamping devices
from opening
7.10. Possible defects and their elimination
Defect
Possible cause
Identification and
elimination
Machine does not move
forward nor backward
- Emergency-stop is pressed
- A valve is not getting its
command
- Travel cable is not plugged
- Travel cable is interrupted
- Unlock the Emergency-stop
- Start "Test and diagnosis
program".
- Perform diagnosis No. 0008
travel test
Planer works the whole
time or not at all
- Button at the planer is not
pressed
- Semi-conductive relais
defective
- Check the button.
- Perform diagnosis No. 0003
planer
After the planer program
the planer is needed again
and again
- No 2 mm material were planed
- The travel measurement varies
too much due to a defective
travel recorder or a
defective travel recorder cable.
- Make sure that min. 2 mm
material are being planed
(circular chip!).
Machine does not switch
from bead up programm to
"heating"
- No travel change is recognized - Perform diagnosis Nr. 0008
travel test
The pressure falls very
fast, the pump keeps on
working
- Pipes have slipped through
- Hydraulic bloc is leaky
- Cylinder is leaky
- Clamp pipes correctly.
- Check oil leakage.
- Inform service-team