Fault 129: Invalid Hall State-M/G - Toro Reelmaster 5010-H Diagnostic Manual

Fault 129: Invalid Hall State—M/G
InfoCenter Display:
Fault Description
The invalid Hall state fault indicates that the Hall effect sensors in the cutting reel motor are providing an
invalid motor speed reading. Since the motor/generator reports the engine speed to the TEC-5002, the engine
becomes unstable and unable to maintain the desired speed.
Circuit Description
A series of 3 Hall effect sensors in the motor are used to detect the motor speed.
Conditions for Setting the Fault
If all 3 of the Hall effect sensors provide the same signal, an invalid Hall state is indicated and the fault is
reported. No controller action is taken.
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.
_____FAULT #129_____
Hall State
BAD
Clearing Faults from the InfoCenter (page
Returning the Machine to Service (page 22)
443
21).
and follow the steps listed.