Programming Circuit Boards - Husqvarna Automower 420 Workshop Manual

Firmware
•
Actions
•
Log book
•
• Documents
Customers
•
5.3.1 Home
When the product is connected to Autocheck an
overview is presented in the
Recommended actions are also shown, for example
recommended firmware updates.
5.3.2 Auto test
Auto test is suitable to use for a fast and overall status of
Auto test menu you can select or
the product. In the
deselect tests. All tests run in a sequence after you push
Start Auto test . During the tests there are animations
guiding you what to do.
Auto test the results are presented in a list.
After the
When clicking on a test there is more information
presented on the screen. It is also possible to print a
report of the test result.
5.3.3 Manual test
Manual test you select, start and stop
When using the
the different tests by yourself. The result is shown live
on the screen and there are no test reports available.
Manual test is appropriate to use when you want to test
a specific component and allow it to work for a certain
period.
5.3.4 Firmware
Firmware menu Autocheck updates the product
In the
firmware if necessary.
CAUTION: Always let Autocheck complete a
started programming process. An interrupted
programming can block the main circuit board or
HMI circuit board.
5.3.5 Actions
Actions menu shows:
The
Reset : Contains reset functions, for example Reset
•
charge cycles counter and Reset period time . Reset
charge cycles counter should be done when the
product has a new battery.
be done before the product is returned to the
customer (if there is a need to create a new loop
signal between the product and the charging
station).
Unit replacement : Has the functionality to set the
•
product serial number if the main circuit board is
exchanged.
Remote HMI : Contains additional functions like
•
Demo mode and Override loop detection . It is also
Security code from the product.
possible to get the
16 - Autocheck service tool
Home menu.
Reset period time should
5.3.6 Log book
Log book contains the Fault memory where, for
The
example, the product's error codes can be found.
Additional Log book functions are continuously
implemented.
5.3.7 Documents
When a product is connected to Autocheck, only the
relevant technical documentation for that model is
shown. It is however possible to uncheck the box for the
connected product and search for all available
documents in Autocheck, for example spare parts lists,
service bulletins, workshop manuals and operator's
manuals.
5.3.8 Customers
In the customer's menu a list of all the customers and
their products is available. The list is only saved locally.

5.4 Programming circuit boards

If a programming process fails or is interrupted this can
block the product's main circuit board or HMI circuit
board. If the circuit board cannot communicate or be
programmed in the usual way, it can be put in a so-
called boot mode. This should only be done if the usual
programming procedure does not succeed.
5.4.1 Programming a blocked HMI circuit board
420/430X/430XH/440/450X/450XH
1. Set the Main switch to
2. Connect the USB cable to the product and the
computer.
3. Start Autocheck.
4. Push the 0 button, and keep it pressed in until the
programming process is complete.
5. Keep the 0 button pushed and set the Main switch to
0 .
6. Keep the 0 button pushed and follow the firmware
instructions in Autocheck.
7. When the programming process is complete,
release the 0 button.
5.4.2 Programming a blocked main circuit board
1. Set the Main switch to
2. Connect the USB cable to the product and the
computer.
3. Start Autocheck.
4. Lift and hold the product by the front edge until the
lift sensor is activated.
5. Keep the product lifted and set the Main switch to
6. Start programming in less than 10 seconds.
0 .
0 .
1191 - 001 -
1 .