Toro Reelmaster 5010-H Diagnostic Manual page 318

If more than 1 cutting reel motor is reporting a 48V Key Switch Overvolt fault, the problem is more likely to be
with the 48 Vdc system voltage. Perform the Recommended Service Actions for fault 31.
Step 3: Swap cutting reel motors between cutting units.
All of the cutting reel motors are identical.
1. Go to Preparing for Troubleshooting and/or Testing (page 22)
2. Unplug the 48 Vdc battery disconnect to prevent unexpected cutting unit operation. Refer to
and Disconnecting the 48 Vdc Battery System (page
3. Swap cutting reel motor 2 with a cutting reel motor from a different cutting unit. You can obtain more
information on replacing the cutting reel motor in Chapter 5 of the 5010-H Service Manual.
4. Plug in the 48 Vdc battery disconnect. Refer to
(page 19).
5. Operate the machine.
The fault moves to the
new position.
The fault repeats at the
original position.
The fault stopped
repeating.
Step 4: Use Toro DIAG to program the replacement cutting reel motor.
1. Remove the access panel from the outer cover of the control arm.
2. Connect a PC with Toro DIAG software to the machine via a Toro DIAG Cable (Part No. 115-1944). Refer
to Toro DIAG - Quick Start (page
3. Use the Toro DIAG software to reprogram the machine in accordance with Toro DIAG User's Guide. The
replacement cutting reel motor is programmed during the reprogramming of the machine.
4. Disconnect the Toro DIAG cable from the machine.
5. Install the access panel onto the outer cover of the control arm.
6. Go to Returning the Machine to Service (page 22)
Step 5: Inspect the wiring for cutting reel motor 2.
1. Go to Preparing for Troubleshooting and/or Testing (page 22)
2. Unplug the 48 Vdc battery disconnect to prevent unexpected cutting unit operation. Refer to
and Disconnecting the 48 Vdc Battery System (page
3. Disconnect main harness connectors P38 and P39 from the cutting reel motor cable connectors mounted
on the traction unit.
4. Inspect the 2 cutting reel motor cable connectors and the 2 main harness connectors for damage,
corrosion, debris, and proper alignment of the pins inside the connectors.
Pass
The wiring inspection passed. Go to Step 6.
Fail One or more of the inspection checks failed. Repair or replace the worn or damaged parts. Go to
Returning the Machine to Service (page 22)
Connecting and Disconnecting the 48 Vdc Battery System
If the fault follows the cutting reel motor to the new cutting unit, replace the
cutting reel motor. Go to Step 4.
If the fault repeats at the cutting unit 2 position, go to Step 5.
If the fault no longer repeats, note the position change of the cutting reel motor
in the maintenance records for the machine. Should the fault repeat in the
future, troubleshooting may be resumed where you left off. Go to
Machine to Service (page 22)
24).
and follow the steps listed.
19).
and follow the steps listed.
and follow the steps listed.
and follow the steps listed.
19).
and follow the steps listed.
318
Connecting
Returning the
Connecting