Interlocks And Relays - Husqvarna TC 238 Operator's Manual

SERVICE AND ADJUSTMENTS
NOTE: Stand battery upright before placing into battery
compartment.
• Grab the red and black battery cables and pull towards
center of the battery crisscrossing the cables.
• Place battery into battery compartment while holding
cables together.
CAUTION: Ensure battery cables are in the
battery compartment to prevent battery
cables from coming in contact with the tires.
• Close battery door.
CABLES
TO REPLACE HEADLIGHT BULB
• Raise hood.
• Pull bulb holder out of the hole in the backside of the
grill.
• Replace bulb in holder and push bulb holder securely
back into the hole in the backside of the grill.
• Close hood.

INTERLOCKS AND RELAYS

Loose or damaged wiring may cause your tractor to run
poorly, stop running, or prevent it from starting.
• Check wiring.
TO REPLACE FUSE
Replace with 20 amp automotive-type plug-in fuse. The
fuse holder is located behind the dash.
Fig. 58
S S IGNITION SYSTEM LIGHTS
MART WITCH
(See Fig. 59)
The SmartSwitch System is equipped with courtesy lights
that are used to indicate system functions or faults.
FUNCTIONS
• The SmartSwitch Ignition (SSI) Button (F) will blink blue
while waiting for the correct passcode to be entered.
The SSI button will blink green when tractor is ready to
start and remain solid green while running.
• The Reverse Operation System (ROS) button (G) will
be lit when Reverse Operation System is in use.
• The Headlight button (H) will remain lit while headlights
are in use.
• During normal operation, the Battery Indicator Button (I)
will not be lit.
FAULTS
• The SSI Button (F) will blink red for two seconds if the
wrong passcode has been entered.
• The park brake symbol (CC) will be lit if the parking
brake has not been engaged during a start attempt.
• The blade switch symbol (EE) will blink if the attachment
clutch control is not in the "DISENGAGED" position dur-
ing a start attempt. The blade switch symbol (X2) will be
lit solid if the bagger assembly is not closed completely
or comes loose while driving.
• The Reverse Operation System (ROS) button (G) will
blink when there is a fault with the Reverse Operation
System. See "Reverse Operation System" in the Opera-
tion section of this manual.
• After the first unsuccessful start attempt, the Battery
Indicator Button (I) will blink for two (2) seconds and then
stay lit. This indicates that the battery voltage is below
normal operating level. While engine is in operation,
this light may also indicate a charging system failure.
• The Headlight Button (H) will blink when one or both of
the headlight bulbs fail.
• All indicator lights will blink in the event the engine shuts
off for unknown reasons; for example, if the engine has
run out of fuel.
F
CC
I
30
EE
H
Fig. 59
G