Service Manual

TRIFLEX DIAGNOSTIC FAULT CODE QUICK REFERENCE TABLE – Revision A Page 20
Fault
Number
Fault Title
Controller
Affected
Fault Condition/Circuit
Description
Additional Notes
Service Actions
114
Internal Regulator
Undervolt – CU3
Cutting unit
This fault is reported when
system voltage drops below the
8.5 Vdc minimum. This fault will
disable the motor.
The TEC will disable
the cutting units.
Replace the cutting unit motor.
121
Invalid Hall State –
CU1
Cutting unit
This fault is reported when an
invalid hall state is indicated.
This fault does not
report until the cutting
until motor begins to
spin.
Replace the motor on cutting
unit 1.
122
Invalid Hall State –
CU2
Cutting unit
This fault is reported when an
invalid hall state is indicated.
This fault does not
report until the cutting
unit motor begins to
spin.
Replace the motor on cutting
unit 2.
123
Invalid Hall State –
CU3
Cutting unit
This fault is reported when an
invalid hall state is indicated.
This fault does not
report until the cutting
unit motor begins to
spin.
Replace the motor on cutting
unit 3.
124
Invalid Hall State –
S/G
Cutting unit
This fault is reported when an
invalid hall state is indicated.
This fault will not
disable the machine’s
functionality.
Replace the Starter/Generator
motor.
125
Short Detected –
CU1
Master
This fault is reported when the
CU1 controller circuit board has
an internal short.
The TEC will stop the
engine and open the
contactor.
1) Unplug both of the connectors
from cutting unit 1 to start the
vehicle.
2) Replace the motor on cutting
unit 1.
126
Short Detected –
CU2
Master
This fault is reported when the
CU2 controller circuit board has
an internal short.
The TEC will stop the
engine and open the
contactor.
1) Unplug both of the connectors
from cutting unit 2 to start the
vehicle.
2) Replace the motor on cutting
unit 2.
127
Short Detected –
CU3
Master
This fault is reported when the
CU3 controller circuit board has
an internal short.
The TEC will stop the
engine and open the
contactor.
1) Unplug both of the connectors
from cutting unit 3 to start the
vehicle.
2) Replace the motor on cutting
unit 3.
128
Short Detected –
CU Unknown
Master
This fault is reported when an
unidentified circuit board has an
internal short. CAN bus network
communication still exists with
all cutting units.
The TEC will stop the
engine and open the
contactor.
Unplug both of the connectors
from all 3 cutting units to start
the vehicle.