Service Manual

TRIFLEX DIAGNOSTIC FAULT CODE QUICK REFERENCE TABLE Revision B Page 15
Fault
Number
Fault Title
Controller
Affected
Fault Condition/Circuit
Description
Additional Notes
Service Actions
48V Bus Undervolt
CU2
Cutting unit
This fault is reported when the
48 Vdc Bus system voltage is
below 32 Vdc at cutting unit 2.
This fault only reports when the
S/G contactor is closed.
All of the machine’s 48
Vdc devices connect
to the same 48 Vdc
bus. If this is a system
issue, the TEC master
controller will combine
all 4 component 48
Vdc Bus Overvolt
faults into a single 48
Vdc Bus undervolt
fault (Fault 44).
The TEC will disable
the cutting units
(PTO).
1) Check the 48 Vdc bus fuse.
2) Check the 2-pin 48 Vdc cutting
unit bus connector.
96
48V Bus Undervolt
CU3
Cutting unit
This fault is reported when the
48 Vdc Bus system voltage is
below 32 Vdc at cutting unit 3.
This fault only reports when the
S/G contactor is closed.
All of the machine’s 48
Vdc devices connect
to the same 48 Vdc
bus. If this is a system
issue, the TEC master
controller will combine
all 4 component 48
Vdc Bus Overvolt
faults into a single 48
Vdc Bus undervolt
fault (Fault 44).
The TEC will disable
the cutting units
(PTO).
1) Check the 48 Vdc bus fuse.
2) Check the 2-pin 48 Vdc cutting
unit bus connector.