Husqvarna P524 EFI Workshop Manual page 78

Fault Possible
cause
12V socket Battery
does not work voltage
Wiring
fault
Lamp does not Blown
work bulb
Wiring
fault
Both lamps do Battery
not work voltage
Wiring
fault
78 - Troubleshooting
Steps Troubleshooting
1 Make sure the switch for the 12V socket is on.
2 Do a check of that the key switch is in the "ON" position.
3 Do a check of the 5A "Fuse Power socket".
4 Refer to "Low battery voltage".
5 Do a check of the blue and black cable and contacts from J4 to the
12V socket.
6 Do a check of the red cables and connectors from J5 to the switch
for enabling the 12V socket.
1 Try swapping bulbs or fit a new.
2 Do a check of the gray cables and connectors to the lamp that do
not work.
1 Make sure the switch for the lamps is activated.
2 Do a check of the 5A fuse connected to the light.
3 Measure the voltage on J2 (pin 3) with the key in "ON" position.
The voltage should be equal to the battery voltage.
4 Do a check of the orange and blue wire and connectors from J2 to
the switch for the lamps.
5 Do a check of the wiring as in step 10 and step 11.
Action
Enable the
12V socket
Turn the
key switch
to "ON".
Replace
fuse
Repair the
wire or re-
place the
wiring.
Replace the
bulb
Repair the
wire or re-
place the
wiring.
Activate the
button
Replace
fuse
Check
steps 3-6.
Repair the
wire or re-
place the
wiring.
662 - 001 - 23.10.2018