GB 14
9.694.004 V1.04
ENGLISH
MD 850
Troubleshooting and Maintenance
Troubleshooting Chart
Malfunction
Possible cause
Remedy
Machine cannot be switched
on
No data on display
Power connection
Power cable not plugged in
Power cable defective
Power fuse
Control board
Display board
Check power connection, if
Necessary connect to different
socket.
Replace power cable.
Replace power fuse
!
If fuse blows again always have
machine checked.
Replace control board
Replace display board
Machine does not heat up
Nominal temperature too low
Temperature limitation active
Temperature sensor
Heating cartridge
Control board
Increase nominal temperature
Reset temperature limiter
by pressing in pin
!
If temperature limiter trips again
always have machine checked
Replace temperature sensor
Check heating cartridges, replace if
necessary
Replace control board
No transport
Motor sensor
Front flap not closed
Front flap - sensor
Transport belt Damaged
No transport
Motor
Control board
Replace light barrier
Close front flap
Replace front flap sensor
Replace transport belt
Check belt tension
Replace motor
Replace control board
Your HAWO Service department is available
Monday - Thursday from 7.30 -16.30 + Friday 7.30 - 15.30,
under the telephone number xx49 (0)6261 9770-00 or (0)1726289126
5
www.vanderstahl.com
