Husqvarna GARDENA SILENO city Workshop Manual page 37

Messages
Number Message
INTERNAL DIAGNOSTICS
18/19 Collision sensor prob-
lem rear/front
4 Loop sensor problem,
front
5 Loop sensor problem,
rear
32 Tilt sensor problem
27 Settings restored
28 Memory circuit prob-
lem
38/501 Electronics problem
502 Electronics problem
503 Electronics problem
1067 - 001 - 16.04.2019
Cause
The product is trapped.
The cabling to the sensor circuit board
is faulty or has come loose.
The front loop sensor circuit board is
faulty.
The main circuit board is faulty.
The tilt sensor has incorrect values
User settings failed to save and the
product has been reset to factory set-
tings.
Resetting settings has failed.
Communication problems between the
HMI circuit board and main circuit
board
HMI circuit board memory problem
Keypad problem
Action
Free the product and rectify the reason.
Check the levels for the A signal. Refer
Tools - Info on page 9 .
to
Check the levels for the A signal. Refer
Tools - Info on page 9 .
to
Calibrate the tilt sensor. Refer to
- Calibrate on page 12 .
Replace the main circuit board. Refer
To replace the main circuit board on
to
page 21 .
If the fault occurs repeatedly, program
the product with the most recent main
Firmware on page
program. Refer to
14 .
If the fault occurs repeatedly, even us-
ing the most recent main program, re-
place the main circuit board. Refer to
To replace the main circuit board on
page 21 .
Program the product with the most re-
cent main program.Refer to
on page 14 .
Replace the main circuit board. Refer
To replace the main circuit board on
to
page 21 .
Restart the product by switching off the
ON/OFF button, wait 10 seconds and
then switch on the ON/OFF button.
Make sure the cable between the HMI
circuit board and main circuit board is
connected properly. Check also that
the cable is not damaged, pinched, or
that the connector is not damaged.
Replace the HMI circuit board. Refer to
To replace the HMI circuit board on
page 23 .
Replace the main circuit board. Refer
To replace the main circuit board on
to
page 21 .
Replace the HMI circuit board.
Make sure the cable between the HMI
circuit board and the keypad is properly
connected.
Replace the keypad. Refer to
place the keypad on page 25 .
Replace the HMI circuit board.
Troubleshooting - 37
Tools
Firmware
To re-