Maintenance and repair of the dryer
HDK-MT350_EN_04
39
When carrying out any maintenance work, comply with the following safety
instructions:
Danger!
There is a very considerable risk of personal injury, when carrying out
work on the activated and pressurised dryer.
Before commencing any maintenance tasks always shut down the dryer
as described on page 35!
Warning against electrical voltage!
Only qualified specialist personnel may carry out work on the electrical
system!
Instructions for use of the dongle
If the message
SEr.
is displayed on the display of the Multitronic controller, the
dryer is due for servicing. The message appears, flashing every 60 seconds,
once the preset number of operating hours (e. g. 8000 oh) has been reached.
After maintenance has been carried out, you can use the dongle to reset the
counter to 0 and delete the message from the display. A dongle is enclosed with
every service kit. Each dongle can only be used once.
► Switch off the controller. Caution! The electric line is still live. Do not touch
live parts!
► Open the lid to the Multitronic controller. The circuit board in housed
underneath it.
► Slot the dongle into the dongle interface
X9 PC
.
► Press and hold the reset key
S3.
► Switch on the controller. The following
appears in the display:
for a short time
0.SET
then flashing
OFF
The service counter is then reset to 0.
If the following appears in the display:
for a short time
FAIL
then flashing
OFF
this means that the dongle has already been used once and cannot be used
again.
► Switch off the controller again and remove the dongle.
► Dispose of the unusable dongle and use a new one.
Carrying out weekly visual checks
Clean dryer
► Remove any loose dust by means of a dry cloth, and, if required, also by
means of a moist and well wrung cloth.
► Clean the surfaces with a moist well wrung cloth.