11. Troubleshooting
System Error Message
Status LED
System Actions
Issue Description
Recommended Corrective Action
Service Engine Oil
Blink Red
Engine oil service is
due.
Replace engine oil and filter. Follow
reset procedure (section 5.3.1).
Service Transmission
Oil
Blink Red
Transmission oil
service is due.
Replace transmission oil and filter(s).
Follow reset procedure (section
5.3.2).
Low Oil Pressure
Blink Red
RED limp mode - engine
limited to efficient and
PTO disengaged.
Engine oil pressure is
below limit.
Cycle key switch to clear fault. Check
oil level. Contact an Authorized
Service Dealer.
Green
Single alarm chirp and
temperature display
flashes.
Engine temperature is
high.
Check oil level. Clean debris from
engine. Inspect engine fan. Contact
an Authorized Service Dealer.
Engine Over
Temperature
Blink Red
RED limp mode - engine
limited to efficient and
PTO disengaged.
Engine temperature
above limit.
Check oil level. Clean debris from
engine. Inspect engine fan. Contact
an Authorized Service Dealer.
Fuel Low
Blink Red
Fuel level low.
Check fuel level and refuel as
necessary.
System Overvoltage
>16VDC
Blink Red
Disallow clutch
engagement/Disengage
clutch.
System voltage
excessive/above 16
volts.
Check battery and engine charging
system. Contact an Authorized
Service Dealer.
System Voltage Low
Blink Red
System voltage below
12.3 volts.
Check battery and engine charging
system. Contact an Authorized
Service Dealer.
System Under
voltage<9VDC
Blink Red
Disallow clutch
engagement/Disengage
clutch.
System voltage below
lower limit of 9 volts.
Check battery and engine charging
system. Contact an Authorized
Service Dealer.
Clutch Overcurrent
Blink Red
RED limp mode - engine
limited to efficient and
PTO disengaged.
Clutch current is
above limit.
Cycle key switch to clear fault. Check
PTO clutch condition and related
wiring. Contact an Authorized Service
Dealer.
Clutch Reset Required
Alternating
green/orange
PTO switch is in
up/engaged position
and the module has
latched the clutch
output OFF.
Cycle PTO switch OFF and then back
ON to re-engage clutch.
Clutch Output Fault
Blink Red
Clutch output short or
open.
If the clutch is stuck “ON”, discontinue
use and contact an Authorized Service
Dealer. Check clutch connection and
associated wiring for open circuit.
Engine MIL Errors
Blink Red
Engine ECU has
detected a fault.
See engine manual for error
description and troubleshooting
information.
Engine
Communication Error
Blink Red
Communication
between the module
and the engine ECU
has been lost.
Check electrical connections at
module, interconnect between engine
wire harness and chassis harness,
and check connections at engine
ECU. Contact an Authorized Service
Dealer.
Module
Communication Error
Blink Red
RED limp mode - engine
limited to efficient and
PTO disengaged.
Communication
between the LDU
module and MCU
module has been lost.
Check electrical connections at LDU
and MCU module.
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