Husqvarna Automower 305 Technical Manual page 83

The mower HOME-mode is activated.
never leaves the
charging station
TIMER settings are preventing
the mower from leaving the
charging station.
The mower never becomes
fully charged.
The transformer is defective
6.2.6 Miscellaneous symptoms
Table 13: Miscellaneous symptoms
Symptom
The display's
backlighting is lit
but operating the
keypad and the
main switch does
not produce any
reaction
The display shows
the Loading
program text
The display flashed
or shows incorrect
information.
The display shows
No contact with the
main circuit board.
6. TROUBLESHOOTING
Cause
The main circuit board is
defective.
The MMI main circuit board
is blocked
The MMI circuit board is
blocked
The main circuit board is
blocked
Press the HOME button down and select Auto
or MAN.
Check the TIMER settings.
Check that the mower is receiving the charging
power. See "2.2 Quick Check" on page 16. Check
that the value for Current corresponds with the
guideline values in section "1.14 Docking and
charging" on page 13. If there is no, or too low
charge current, grind off any deposits on the
charging strips on the mower and the contact
strips in the charging station. Use an emery
cloth and lubricate with a copper paste. Also
check that the cabling in the charging station
and to the mower's charging strip is correctly
connected and that they are not damaged.
Replace the transformer.
Action
Reprogram the main circuit board using
Autocheck EXP. See "4.3.4 Programming" on
page 46.
Program the mower using Autocheck EXP.
If it is not possible to program the mower in the
usual way, follow the instruction "4.3.5 Logbook"
on page 48.
Follow the instruction "Programming a blocked
MMI circuit board" on page 46.
Follow the instruction "Programming blocked
main circuit board" on page 47.
English - 81