Toro Greensmaster TriFlex 3400 User Manual

FormNo.16229SLRevA
Greensmaster
®
TriFlex
™
3300,
3320,3400,and3420Diagnostic
FaultCodeManual
ModelNo.04510,04520,04530,and04540
Registeratwww.Toro.com.
OriginalInstructions(EN)
*16229SL*

Toro Greensmaster TriFlex 3400 Specifications

General

Brand	Toro
Model	Greensmaster TriFlex 3400
Category	Lawn Mower
Language	English

Summary

Safety

Maintenance and Service

Clearing Faults from the InfoCenter

Instructions on how to clear system faults from the machine's InfoCenter display.

Preparing for Troubleshooting and/or Testing

Troubleshooting Intermittent Electrical Faults

Attempt to Duplicate the Fault

Toro DIAG–Quick Start

Replacing a Toro Electronic Controller (TEC)

Use Toro DIAG to save the machine timers and counters file out of the original TEC.

Replace the TEC.

Step-by-step instructions for replacing the Toro Electronic Controller (TEC).

Use Toro DIAG to program the TEC, and then restore the TD2 file.

Procedure to program the replacement TEC and restore saved data using Toro DIAG.

Fault 12: 48 V Contactor Open

Step 2: Test the main contactor.

Procedure to test the functionality of the main contactor as part of fault diagnosis.

Fault 13: High Temperature Warning – Reel Motor 1

Step 3: Swap cutting reel motors between cutting units.

Procedure to swap reel motors to diagnose motor-related temperature faults.

Fault 22: 48 Volt Devices Offline

Fault 32: Engine Coolant Temperature High – Engine Kill

Fault 44: 48 Volt Battery – Undervolt

Fault 45: 48 Volt Bus – Overvoltage

Fault 46: 48 Volt Keyswitch – Overvoltage

Step 2: Test the battery voltage.

Fault 64: Main Power Relay Failure

Fault 121: Invalid Hall State – Reel Motor 1

Fault 125: Short Detected – Reel Motor 1

Step 2: Swap cutting reel motors between cutting units.

Procedure to swap reel motors to diagnose short circuit faults.

Step 3: Use Toro DIAG to program the replacement cutting reel motor.

Procedure to program a replacement cutting reel motor using Toro DIAG software.

Fault 137: Joystick Broken

Step 4: Test the joystick switches.

Fault 141: Software Incompatible – Reel Motor 1

Step 2: Use Toro DIAG to reprogram the machine.

Procedure to reprogram the machine using Toro DIAG for software compatibility issues.

Fault 147: Traction Potentiometer Failure

Recommended Service Actions

Troubleshooting steps for traction potentiometer failure.

Step 2: Test the traction sensor.