The Circuit Boards - Husqvarna Automower 115H Workshop Manual

5. Pull the STOP button backwards.
6. Loosen all 12 screws (Torx 20) and remove them.
7. Lift up the upper chassis and place it vertically on
the side of the product.
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8. Disconnect the power cable (A) from the main circuit
board.
CAUTION: Always disconnect the power
cable first to avoid current spikes that may
harm the circuit boards or the battery.
9. Disconnect the HMI cable and remove the upper
chassis.

6.8 The circuit boards

These are the circuits boards in the product:
• Main circuit board
• HMI circuit board
• COM circuit board (only for GARDENA
system models)
• Front sensor circuit board
• Rear sensor circuit board
The circuit boards contain the electronics and software
required to control the product's functions.
The main circuit board, the HMI circuit board and the
COM circuit board contain their own separate software.
If any of these boards are replaced, they have to be
programmed via Autocheck.
The other circuit boards do not have any software, and
do not need to be programmed after a replacement.
CAUTION: Pull the connect and not the cable.
A
®
smart
Repair instructions - 19