Husqvarna Automower 420 Technical Manual page 89

714 Weak GPS signal
Temporary problem
with the server.
713
Geofence problem
77 Connection problems
702
Connection settings
restored
706 Weak signal
707 SIM card requires PIN The SIM card must be
708
SIM card locked
709 SIM card not found
717 SMS could not be
sent
38/501 Electronics problem
502 Electronics problem
6. TROUBLESHOOTING
Not applicable for
Automower® 420. The GPS
signal is weak for the current
working area. GPS assisted
navigation cannot be used.
Please try again.
Your Geofence is not
working due to poor (or no)
communication with GPS
system.
Problem with the Automower®
Connect module
Settings for wireless
connectivity have been
restored due to an error.
Weak GPRS signal for
Automower® Connect module
unlocked.
The SIM card must be
replaced.
Automower® Connect
requires a SIM card to be
inserted in the mower.
Poor GSM coverage
Max. number of SMS reached,
max. 10 SMS per month can
be sent to the mower.
No funds left on SIM card.
Communication problems
between the HMI circuit board
and control box
HMI circuit board memory
problem
If the message appears often, turn
off the GPS assisted navigation and
instead use the manual settings for
Lawn coverage, see Installation on
page 78.
In case of persisting problems, get in
touch with your local dealer.
Contact the local dealer.
Restart the mower. If the fault
persists, action by and authorized
service technician will be required.
Check and revise settings if
necessary.
Make sure the mower is not upside
down. If the problem persists, action
by and authorized service technician
will be required.
Make sure the correct SIM PIN has
been entered into the mower's menu
(Network > SIM card). In case of
persisting problems, get in touch with
your local dealer.
Contact the local dealer.
Contact your local dealer for more
information.
In case of persisting problems, get in
touch with your local dealer.
Restart the mower by placing the main
switch in position 0, wait 10 seconds
and then turn the main switch to posi-
tion 1.
Make sure the cable between the HMI
board and MCB is connected pro-
perly. Check also that the cable is not
damaged, pinched, or its connector
damaged.
Change HMI cable.
Change HMI board. Refer to
5.9 Replacing the HMI board.
Replace the main circuit board. Refer
to 5.8 Replacing the MCB.
Change HMI circuit board
English - 89