Fault 7 Motor Over Temperature - Toro Greensmaster e1021 Diagnostic Manual

Fault 7 Motor Over Temperature

InfoCenter Display:
Fault Description
This fault is reported when the motor controller senses that the temperature of the motor is to great.
Circuit Description
Temperature sensors monitor components inside the motor to protect them from high temperature damage.
The motor controller begins reducing the current to the motor when the temperature of the motor reaches the
overtemp region. If the temperature rises to the absolute overtemp region, the cutting unit motor is shut off.
This fault is not produced by a bad sensor.
Note:
A side effect of this fault is reduced reel speed and an increased chance of a motor stall.
Recommended Service Actions
Step 1: Verify that the fault repeats.
1. Safely stop the machine and all attachments.
2. Shut off the machine by rotating the key switch to the O
3. Turn on the machine by rotating the key switch to the O
Note:
If the fault does not repeat immediately, duplicate the operation of the machine when the fault
occurred.
4. Look at the InfoCenter and see if the fault has repeated.
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: Check the charge level of the battery.
1. Move the key switch to the O
2. On the InfoCenter, verify that the battery charge indicator shows at least one full block.
1. Battery charge indicator
Motor Over Temperature
Returning the Machine to Service (page 20)
position.
N
Figure 39
52
position.
FF
position.
N
and follow the steps listed.
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