Troubleshooting
Problem
Possible Cause
Corrective Action
1. Cutting blade(s) is/are bent or
unbalanced.
1. Install new cutting blade(s).
2. A blade-mounting bolt is loose.
2. Tighten the blade-mounting bolt.
There is abnormal vibration.
3. A blade spindle is bent.
3. Contact an Authorized Service Dealer.
1. Blade(s) are not sharp.
1. Sharpen the blade(s).
2. Cutting blade(s) is/are bent.
2. Install new cutting blade(s).
3. The mower deck is not level.
3. Level the mower deck side-to-side
position.
4. The mower deck pitch is wrong.
4. Adjust the front-to-rear pitch.
5. The underside of mower deck is dirty.
5. Clean the underside of the mower
deck.
6. The tire pressure is not correct.
6. Adjust the tire pressure.
The cutting height is uneven.
7. A blade spindle is bent.
7. Contact an Authorized Service Dealer.
1. The safety-interlock system prevents
blade rotation.
1. Contact an Authorized Service Dealer.
The blades do not rotate.
2. The PTO switch is malfunctioning.
2. Contact an Authorized Service Dealer.
Battery-Charger Error Codes
The battery-charger error codes display on the machine InfoCenter as shown in
.
•
SPN: Suspect Parameter Number
•
FMI: Failure Mode Indicator
•
OC: Number of occurences
g377956
Figure 75
Problem
Possible Cause
Corrective Action
SPN 4992, FMI 16 or FMI 3
1. Battery high voltage
1. Ensure that the battery voltage is
correct and the cable connections are
secure; ensure that the battery is in
good condition.
SPN 4990, FMI 31
1. BMS or battery fault detected
1. Contact an authorized Toro distributor.
SPN 520196, FMI 16
1. Battery amp hour limit exceeded
1. Possible causes include poor battery
health, very deeply discharged battery,
poorly connected battery, and/or
high parasitic loads on battery while
charging. Possible solutions: Replace
batteries. Check DC connections.
Disconnect parasitic loads. This error
will clear once the charger is reset by
cycling DC.
SPN 4992, FMI 4
1. Reverse polarity error
1. The battery is connected to the charger
incorrectly. Ensure that the battery
connections are secure.
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