Husqvarna R419TsX AWD Workshop Manual page 71

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Fault
The start motor operates
correctly but the product
does not start.
The product stops when
the parking brake is re-
leased.
The product stops when
the operator lifts from
the seat with the parking
brake applied.
The product does not
stop when the operator
lifts from the seat with-
out releasing the parking
brake.
914 - 003 - 28.03.2019
Possible
Steps
cause
15
Wiring fault.
1
2
Defective seat
1
microswitch.
Lift lever in
1
lowered posi-
tion.
Defective
2
parking brake
microswitch.
Defective
1
parking brake
microswitch.
Defective seat
2
microswitch.
Troubleshooting
Do a check that the grounding point
on the engine is fully tightened.
Do a check that the yellow cable to
the engine gets voltage from the bat-
tery when the key switch is in ignition
position.
Do a check that the grounding point
on the engine is fully tightened.
Measure the resistance between the
black cable to the motor and ground.
Without an operator in the seat, the
resistance must be low. The resist-
ance must be high when there is an
operator in the seat.
Do a check that the microswitch
changes the position when the lift lev-
er is lifted.
Do a check of the parking brake mi-
croswitch.
Do a check of the parking brake mi-
croswitch.
Measure the resistance between the
black cable to the motor and ground.
Without an operator in the seat, the
resistance must be low. The resist-
ance must be high when there is an
operator in the seat.
Action
Tighten the ground ca-
ble.
Repair the cable or re-
place the wiring.
Tighten the ground ca-
ble.
Do a check of the seat
microswitch and connec-
tor, replace if necessary
Replace the micro-
switch.
Replace the micro-
switch.
Replace the micro-
switch.
Do a check of safety
switch and connectors,
replace if necessary.
Troubleshooting - 71

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