hd 680 DEI-V
ValiDoc Pro
Page GB 43
9.693.018
Version 1.06
The troubleshooting suggestions marked with a * should only be carried out by the
manufacturer or
an authorised service partner appointed by the manufacturer.
4 Troubleshooting
4.1 Troubleshooting checklist
Malfunction
Possible cause
Remedy
Machine fails to switch on
No data on the display
Power supply
-Power cable not plugged in
-Power cable defective
Fuse
Temperature controller faulty
Check power supply
If necessary, plug into a different power
outlet
Replace power cable
Replace the fuse*
!
If the fuse blows again, it
is imperative to have the
machine tested.
Replace temperature controller*
Machine fails to heat up
Set temperature is too low
Temperature limitation activated
Temperature sensor
Heating cartridge
Temperature controller faulty
SST module faulty
Increase set temperature (see 3.3.1)
Switch off the machine and allow it to cool
down
!
If it still trips it is
imperative to have the
machine tested
Replace temperature sensor*
Check heating cartridges and replace if
necessary*
Replace temperature controller*
Replace SST module
Uneven material feed or loud
running noise
Transport belt guide
Transport belt
-damaged
-no transport
Motor
Replace PTFE strip on the guide rail
(see 4.8)
Replace transport belt
Check belt tension
Replace motor*
Sealed seam will not hold
Temperature too low
Contact pressure too low
Sealing die
- Distance between the sealing
dies too great
Increase the temperature
Readjust the contact pressure of the sealing
roller or replace the sealing roller*
Set the distance of the sealing dies to
0.5 mm*
