Toro Greensmaster TriFlex 3320/3420 Service Manual page 180

Hand Held Diagnostic Display
Outputs
START
ETR (DSL)
RTR (Gas)
GLOW (DSL)
LD LAMP
DIAGNOSTIC
LAMP
FAN RELAY
(DIESEL)
(Greensmaster 3420 machines only)
PRV (REEL
ENGAGE)
S1 (LIFT/
LOWER ENABLE)
S2
(LOWER)
S3 (CU2&3
LIFT/LOWER)
OVERTEMP
LAMP
(Greensmaster 3420 machines only)
48 VOLT
RELAY
NOTE: ETR (Energize To Run) engine run components
on Greensmaster 3420 machines (diesel engine) in-
clude the fuel pump and fuel solenoid hold coil. RTR
(Relay To Run) engine run components on Greensmas-
ter 3320 machines (gasoline engine) include the kill
relay, charge relay and carburetor fuel solenoid.
Electrical System
Hand Held Diagnostic Display
TEC output exists to energize starter solenoid (Greensmaster 3320) or
starter relay (Greensmaster 3420): LED ON
No TEC output to starter solenoid or starter relay: LED OFF
TEC output exists to energize engine run components (see NOTE
No TEC output to engine run components: LED OFF
TEC output exists to energize leak detector indicator light and alarm
(if equipped on Greensmaster 3320) or glow plug relay (Greensmaster
No TEC output to leak detector light/alarm or glow plug relay: LED OFF
Diagnostic lamp is ON or FLASHING: LED ON or FLASHING
Diagnostic lamp is not ON or FLASHING: LED OFF
TEC output exists to energize cooling fan: LED ON
No TEC output to energize cooling fan: LED OFF
TEC output exists to energize mow manifold solenoid coil PRV: LED
No TEC output to energize mow manifold solenoid coil PRV: LED OFF
TEC output exists to energize lift manifold solenoid coil S1: LED ON
No TEC output to lift manifold solenoid coil S1: LED OFF
TEC output exists to energize lift manifold solenoid coil S2: LED ON
No TEC output to lift manifold solenoid coil S2: LED OFF
TEC output exists to energize lift manifold solenoid coil S3: LED ON
No TEC output to lift manifold solenoid coil S3: LED OFF
Console high temperature warning light is ON: LED ON
Console high temperature warning light is not ON: LED OFF
TEC output exists to energize 48 volt E--reels enable relay: LED ON
No TEC output to energize 48 volt E--reels enable relay: LED OFF
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LED Operation
below): LED ON
3420): LED ON
ON
Greensmaster 3320/3420