English - 55
9. Fit the battery cover. The sealing strip is
reusable and does not need to be changed.
10. Tighten the four screws for the battery
cover (Torx 20).
5�9 Replacing the control box
1. A mower’s operating information is stored
in the control box. The Autocheck EXP
service program saves this information in
the logbook and then transfers it back to
the mower again when the control box has
been replaced. The mower shall therefore
be connected to Autocheck EXP before
changing the control box The operating
data is then saved automatically.
2. Remove the battery. See 5.8 Replacing the
battery on page 54.
3. Dismantle the body, display cover and
chassis. See 5.2 Dismantling and assembling
the Automower® 305 on page 50.
4. Disconnect all cables from the control box.
Pull on the contact piece, not the cable.
Note the contact piece in which the cables
are located so that the right cable is in the
right position when reassembling.
5. Unscrew the three screws (Torx 20) that
secure the control box in the chassis’ lower
part.
6. Remove the old control box. If, for example,
the card is to be checked in order to
evaluate the guarantee it should be stored
in a bag with protection against ESD
(electrostatic discharge).
7. Fit the new control box.
8. Screw in the three screws that secure
the control box in the chassis’ lower part.
NOTE! Do not tighten the screws too tightly.
It can damage the circuit board. Do not use
an electric screwdriver.
9. Connect all connectors in the control card.
Check that the cables are located correctly.
10. Assemble the chassis, display cover and
body. See 5.2.4 Assembling chassis,
display cover and body on page 51.
11. Fit the battery. See 5.8 Replacing the
battery on page 54.
12. Connect the mower to Autocheck EXP and
select Programming. The service program
will then ask for the mower’s serial number.
For security reasons the serial number can
only be entered once. The serial number
is indicated on the plate inside the cover.
Autocheck EXP now automatically transfers
the operating information saved in step 1.
13. Test that the mower works.
When the main switch is set to position 1 after
changing a control box, a new start-up sequence
commences, which includes entering a new PIN code.
5�10 Replacing the MMI card
1. Dismantle the body. See 5.2.1 Dismantling
body on page 50.
2. Remove the display cover. See 5.2.2
Dismantling display cover on page 50.
3. Place the display cover upside down.
4. Dismantle the cables for the stop button’s
microswitch and keypad.
5. The MMI card is secured in the display
cover by means of two snap fasteners.
Carefully bend the snap fasteners and lift
the MMI card in the edge on which the snap
fasteners are located.
5� REPAIR INSTRUCTIONS
For security reasons the serial number
can only be entered once� You should
therefore ensure that the correct serial
number is entered�
IMPORTANT INFORMATION
3020-045
3020-046
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