Toro Groundsmaster 3280-D Service Manual page 232

SCM Inputs
SCM Outputs
Electrical System: General Information
The power input LED should be illuminated when the key switch is in the O
position. The power input LED should also be illuminated when the key switch is
in the S position.
TART
The start input LED should be illuminated when the key switch is in the S
position.
The neutral input LED should be illuminated when the traction pedal is in the
neutral position.
The parking brake off input LED should be illuminated when you do not set
the parking brake.
The PTO switch input LED should be illuminated when the PTO switch is O
(pulled out).
The in seat input LED should be illuminated when the operator is sitting in the
seat.
The high-temperature shutdown input LED should be illuminated when the
high-temperature shutdown switch closes due to engine coolant temperature of
approximately 115°C (240°F).
The high-temperature warning input LED should be illuminated when the
high-temperature warning switch closes due to engine coolant temperature of
approximately 105°C (220°F).
The backlap input LED is not used on the Groundsmaster 3280-D or 3320
machine.
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1. Power input LED
2. Start input LED
3. Engine run output LED
4. Start output LED
The start output LED should be illuminated when the key switch is in the S
position with the traction pedal in the neutral position, the PTO switch O
either the seat is occupied or parking brake is set.
The run output LED should be illuminated when the key switch is in the O
position and inputs from the neutral, parking brake, PTO, seat, and engine
coolant temperature switches indicate safe engine operation (e.g., the seat
is occupied and the parking brake is disengaged when the traction pedal is
pressed).
Figure 113
5. PTO output LED
6. Neutral input LED
Park brake off input LED 11.
7.
8. PTO switch input LED
Page 6–4
N
TART
9. In seat input LED
10. High-temperature
shutdown input LED
High-temperature warning
input LED
12. Backlap input LED
TART
, and
FF
N
Groundsmaster ® 3280-D/3320
05138SL Rev B
N