Husqvarna 536LiHE3 Workshop Manual page 51

Warning triangle flashes continually
on keypad
A warning triangle on the keypad
flashes briefly after activation. The
product then shuts down
A warning triangle on the keypad
flashes briefly after activation. The
product subsequently hangs while
the green LED is on.
The product is in working order but
the indicator lamp on the keypad is
not visible.
The product is activated directly
when the battery is inserted without
pressing the keypad.
A warning triangle on the keypad
lights up solid red.
The product is not activated after
installing a new control unit
Product cannot be connected to the
diagnostic tool. The product has no
contact or cannot be connected to
the diagnostic tool.
Temperature too high
Temperature of control unit or bat-
tery too low
Water in main switch signal contact
Short circuit in keypad
Short circuit in main switch
Defective control unit
The main switch is pressed in during
activation
Water in main switch signal contact
Short circuit in keypad
Short circuit in main switch
Bad communication signal between
battery and product.
Defective keypad
Short circuit in keypad
Defective control unit
Spare parts are delivered without
software
Outdated diagnostic tool. The diag-
nostic tool is out of date.
Loose or broken communication
cable
1. Wait for the product to cool down
(min. 5 minutes)
2. Make sure neither the product nor
the battery is colder than -10 C
3. Dismantle and dry the main
switch signal connector and then
reassemble it. See figure 3 in the
appendix
4. Replace the cabling.
5. Replace the main switch
6. Replace the control unit
1. Activate the product without
pressing the main switch at the
same time.
2. Dismantle and dry the main
switch signal connector and then
reassemble it. See figure 3 in the
appendix
3. Replace the cabling.
4. Replace the main switch
1. Make sure the power connectors
between the battery and the prod-
uct are not dirty or damaged. See
figure 1 in the appendix.
2. Make sure the small cables be-
tween connector and the control
unit are not loose or damaged.
See figure 6 in the appendix
Replace the cabling.
Replace the cabling.
Replace the control unit
Use the diagnostic tool to install new
software
1. Use the Common Service Tool
for diagnostic. Make sure you
are connected to the Internet for
automatic updates of the Common
Service Tool.
2. Repair or replace wiring assy.
English – 51