Fault 42: Can Bus Fault-Crm 5 - Toro Reelmaster 5010-H Diagnostic Manual

Fault 42: CAN Bus Fault—CRM 5
Note:
When any individual cutting reel motor is shut off due to a fault, the TEC-5002 shuts off the other 4
cutting reel motors.
Note:
If multiple machine faults are reported within a few seconds, troubleshooting should begin with the
first cutting reel motor to report a fault.
InfoCenter Display:
Fault Description
The TEC-5002 lost or never established communication with cutting reel motor 5 on the CAN bus.
Circuit Description
All 5 cutting reel motors are connected on the 48 Vdc CAN bus. All 5 cutting reel motors function simultaneously.
When 1 cutting reel motor is affected by a CAN bus fault, all of the cutting reel motors are disabled and the
machine is unable to mow.
Conditions for Setting the Fault
A fault 38 is reported if the TEC-5002 loses communication with the cutting reel motor for 1.5 seconds. If
communication is never established, a fault is reported 2.5 seconds after power is first turned on.
Note:
This fault is probably included among all of the cutting reel motors setting related faults in rapid
succession. Begin the diagnosis with the first cutting reel motor to report a fault.
Recommended Service Actions
Step 1: Verify that the fault repeats.
1. Clear the system faults from the InfoCenter. Refer to
2. Operate the machine.
Pass The fault did not repeat. Go to
Note:
If the fault does not repeat, an isolated event has occurred.
Fail The fault repeated. Go to Step 2.
Step 2: Inspect the wiring for cutting reel motor 5.
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. Refer to Figure 92
_____FAULT
Returning the Machine to Service (page 22)
to locate cutting reel motor 5.
#42_____
CAN 5
Clearing Faults from the InfoCenter (page
and follow the steps listed.
19).
146
21).
and follow the steps listed.
Connecting