Interlocks And Relays - Husqvarna GT48XLS Operator's Manual

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SERVICE AND ADJUSTMENTS
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 (See Fig. 47)
Unit has two automotive type fuses. Replace primary
operation fuse with a 20 amp and the differential lock
actuator fuse with a 10 amp. The fuse holders are located
behind the dash.
Fig. 47
SMART SWITCH SYSTEM LIGHTS (See Fig. 48)
The Smart Switch System is equipped with courtesy lights
that are used to indicate system functions or faults.
FUNCTIONS
The Smart Switch 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 park brake symbol will be lit if the parking brake
has not been engaged.
The blade switch symbol will be lit if the attachment
clutch control is not in the "DISENGAGED" position.
The Mow-In-Reverse (MIR) 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 will blink red for two seconds if the
wrong passcode has been entered.
The Mow-In-Reverse (MIR) button will blink when
there is a fault with the Reverse Operation System.
See "Reverse Operation System" in the Operations
section of the 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 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.
PARK BRAKE
SYMBOL
I
H
27
F
SWITCH
SYMBOL
G
Fig. 48
BLADE

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