27
Maintenance & Care
Maintenance Overview
What has to be done?
How often?
Done by whom?
changing the washer
4571
every 50 hours
by user
changing filter 3497
every 6 months
by user
maintenance by repair
workshop (changing
worn parts; checking
housing; cleaning;
check leakage
current)
every 500 hours
of operation by
repair workshop
Upload Firmware
When you turn on the device using
the main power switch (1), the
version number will appear briefly
on the display:
1. Download the firmware from
http://www.hadewe.net/video-library
Save the file on a USB stick. The
file must be located in the root
directory.
The
file
name
encrypted_blto_m7.bin
must not be
changed.
2. Turn on the device with the main
power switch (1) and plug in a USB
stick.
3. Simultaneously press the + / -
buttons and hold down while you
switch on the device using the main
power switch (1).
4. Display during the update:
This process takes approximately
15 minutes.
Never turn off the device
during
the
update.
Otherwise it could be
damaged.
5. As soon as the last line "Please
restart device" is displayed, the
update is complete and you can
switch the device off using the main
power switch (1).
6. The device can now be used
again as normal.