Toro Greensmaster TriFlex 3320/3420 Service Manual page 178

Hand Held Diagnostic Display
TEC Controller Inputs
JOYSTICK
LOWER
LEAK
DETECTOR (LD)
(Optional for Greensmaster 3320
machines only)
ELECTRIC
REEL SPEED
HYD OIL
TEMP (DSL)
(Optional for Greensmaster 3420
machines only)
COOLANT
TEMP (DSL)
(Greensmaster 3420 machines only)
BACKLAP
PARKING
BRAKE (OFF)
SEAT
SWITCH
JOYSTICK
RAISE
ALT FAULT
(DSL)
(Greensmaster 3420 machines only)
LOW ENGINE
OIL PRESSURE
NEUTRAL
SWITCH
MOW
SWITCH
KEY START
(NOTE: Place Functional Control Le-
ver in MOW or TRANSPORT so en-
gine will not start when turning ignition
switch to START)
KEY
RUN
NOTE: When the ignition switch is in the OFF position,
all Hand Held Diagnostic Display LED's should be OFF.
NOTE: The COOLANT TEMP (DSL) input can be simu-
lated by disconnecting the wire from the temperature
sender on the engine and then grounding the wire. The
appropriate input LED on the Diagnostic Display should
illuminate when the wire is grounded and the ignition
switch is in the ON position.
Electrical System
Hand Held Diagnostic Display
Joystick moved to lower (forward) position: LED ON
Joystick NOT moved to lower position: LED OFF
Leak detector switch closed (oil level is low): LED ON
Leak detector switch open (oil level is OK): LED OFF
Reel speed control (potentiometer) and circuit wiring OK: LED ON
Reel speed control (potentiometer) and circuit wiring faulty: LED OFF
Hydraulic temperature, temp switch and circuit wiring OK: LED ON
Hydraulic temperature, temp switch or circuit wiring faulty: LED OFF
Engine coolant temperature has exceeded 220
Engine coolant temperature below 220
Backlap switch in backlap position: LED ON
Backlap switch NOT in backlap position: LED OFF
Parking brake released: LED ON
Parking brake engaged: LED OFF
Seat occupied: LED ON
Seat NOT occupied: LED OFF
Joystick moved to raise (rear) position: LED ON
Joystick NOT moved to raise (rear) position: LED OFF
Engine not running OR alternator faulty: LED ON
Alternator OK: LED OFF
Engine not running OR low engine oil pressure: LED ON
Engine oil pressure OK: LED OFF
Functional control lever in neutral: LED ON
Functional control lever in mow or transport: LED OFF
Functional control lever in mow: LED ON
Functional control lever in neutral or transport: LED OFF
Ignition switch in START: LED ON
Ignition switch in RUN: LED OFF
Ignition switch in RUN or START: LED ON
Page 6 - - 28
LED Operation
o
F (105
o
F (105
Greensmaster 3320/3420
o
C): LED ON
o
C): LED OFF