Troubleshooting - Toro 72144 Software Manual

Z master professional 7500-d series riding mower with 144in turbo force rear discharge mower
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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
Engine
Communication Error
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
engine 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
Blink Red
Issue Description
The engine oil service
is due.
The transmission oil
service is due.
The engine-oil
pressure is below
limit.
The engine
temperature is high.
The engine
temperature is above
limit.
The fuel level is low.
The system voltage is
excessive (above 16
V).
System voltage below
12.3 V.
The system voltage is
below the lower limit
of 9 V.
The clutch current is
above the limit.
The PTO switch is
engaged and the
module has latched
the clutch output Off.
The clutch output has
a short or is open.
The ECU has detected
a fault.
The communication
between the module
and the engine ECU
has been lost.
23
Recommended Corrective Action
Replace the engine oil and filter.
Follow the reset procedure; refer to
Engine Oil (page
16).
Replace the transmission oil and
filter(s). Follow the reset procedure;
refer to
Hydraulic Transmission Oil
(page
16).
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.
Check the electrical connections at
the module, interconnect between
the engine wire harness, and chassis
harness. Check the connections
at the engine ECU. Contact an
Authorized Service Dealer.
FF
position
position,
N

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