Troubleshooting; Diagnostic Tools - Husqvarna T540i XP Workshop Manual

6.1 Diagnostic tools

6.1.1 Common service tool
The common service tool (CST) is used with a computer
(not included) for Husqvarna products.
The common service tool transmits data from the
product and battery to the computer, for example
product ID. There is also a diagnostic tool list and a list
of saved error codes. The common service tool is also
used to update the software in battery products.
6.1.2 To connect the common service tool (CST)
CAUTION: If you install firmware to a new spare
part, make sure that you know the Husqvarna
identification number (HID). The identification
number is found on the spare part.
1. Remove the battery from the product.
2. Connect the adapter cable (A) to the battery (B) and
to the battery slot connector (C) on the product.
C

20 - Troubleshooting

6 Troubleshooting
A
B
D
3. Start the product.
4. Connect the cable (D) to the common service tool
(CST).
5. Obey the instructions on the common service tool
(CST) and in the related chapter in this manual.
CAUTION: Do not disconnect the product
until the update is completed.
WARNING: Do not push the power trigger.
The motor can operate when the product is
in servicing mode.
6.1.3 To do troubleshooting of the common service
tool
If there is no signal to the common service tool when it is
connected to the product, do the procedure that follows.
1. Make sure that the connectors on the battery and on
the product are clean and not damaged. Replace the
battery or control unit on the product if there is
damage.
2. Make sure that the cable to the common service tool
is clean and not damaged. Replace the cable if there
is damage.
3. Restart the computer.
4. Install the software again.
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