Troubleshooting - Toro 74946 Software Manual

Troubleshooting

System Error Message
Service the Engine Oil
Service the
Transmission Oil
Low Oil Pressure
Engine Over
Temperature
Fuel Low
System Overvoltage
>16VDC
System Voltage Low
System Under
voltage<9VDC
Clutch Overcurrent
Clutch Reset Required
Clutch Output Fault
Engine MIL Errors
Status LED System Actions
Blink Red
Blink Red
Safe Transport
Mode—engine limited
Blink Red
to Efficient mode and the
PTO is disengaged.
Single alarm chirp and
Green temperature display
flashes.
Safe Transport
Mode—engine limited
Blink Red
to Efficient mode and the
PTO is disengaged.
Blink Red
Disallow clutch
Blink Red engagement/ Disengage
the clutch.
Blink Red
Disallow clutch
Blink Red engagement/ Disengage
clutch.
Safe Transport
Mode—engine limited
Blink Red
to Efficient mode and the
PTO is disengaged.
Alternating
green/orange
Blink Red
Blink Red
Issue Description
Engine oil service is
due.
Transmission oil
service is due.
Engine oil pressure is
below limit.
Engine temperature is
high.
Engine temperature
above limit.
Fuel level low.
System voltage
excessive/ above
16 V.
System voltage below
12.3 V.
System voltage below
lower limit of 9 V.
Clutch current is
above limit.
The PTO switch is
in the up/ engaged
position and the
module has latched
the clutch output Off.
Clutch output short or
open.
Engine ECU has
detected a fault.
15
Recommended Corrective Action
Replace the engine oil and filter.
Follow the reset procedure; refer to
Engine Oil (page 10).
Replace the transmission oil and
filter(s). Follow the reset procedure;
refer to Hydraulic Trans Oil (page
Cycle the key switch to clear the
fault. Check the oil level. Contact an
Authorized Service Dealer.
Check the oil level. Clean debris from
the engine. Inspect the engine fan.
Contact an Authorized Service Dealer.
Check the oil level. Clean debris from
the engine. Inspect the engine fan.
Contact an Authorized Service Dealer.
Check the fuel level and add fuel as
necessary.
Check the battery and engine
charging system. Contact an
Authorized Service Dealer.
Check the battery and engine
charging system. Contact an
Authorized Service Dealer.
Check the battery and engine
charging system. Contact an
Authorized Service Dealer.
Cycle the key switch to clear the
fault. Check the PTO clutch condition
and the related wiring. Contact an
Authorized Service Dealer.
Cycle the PTO switch to the O
position and back to the O
N
to engage the clutch.
If the clutch is stuck in the O
discontinue use and contact an
Authorized Service Dealer. Check
the clutch connection and associated
wiring for an open circuit.
See the engine owner's manual for the
error description and troubleshooting
information.
10).
FF
position
position,
N