Toro Greensmaster eTriFlex 3360 Service Manual page 71

Machine Faults (continued)
Fault
Fault Title
ID
U1502 48V System
Logic Voltage -
Low
U1511 48V System
Bus Voltage -
High
U1512 48V System
Bus Voltage -
Low
U1701 Board Internal
Error - IPE
Greensmaster® eTriFlex 3360 and 3370
19239SL Rev A
Fault
Controller(s)
Condition/Circuit
Affected
Description
T1 Three or more
components on
the machine are
reporting a Logic
Voltage - Low
fault.
T1 Three or more
components on
the machine are
reporting a Bus
Voltage - High
fault.
T1 Tthree or more
components on
the machine are
reporting a Bus
Voltage - Low
fault.
T1 Inputs or
outputs in the
T1: Primary
controller are
not working
correctly.
Additional Notes Service Actions
PTO and the 1.
generator
function of the
2.
starter/generator
is disabled.
3.
4.
5.
PTO and the 1.
generator
2.
function of the
starter/generator
is disabled.
3.
4.
PTO and the 1.
generator
2.
function of the
starter/generator
is disabled.
3.
4.
5.
6.
Machine is 1.
disabled
2.
Page 3–35 Troubleshooting: Universal Groomer Problems
Test the 48V batteries with the engine
Off.
Test the 48V logic relay and wiring.
Verify that all starter/generator
motor-to-controller connections are
good.
Test the starter/generator (test
procedure pending).
Replace and program the
starter/generator (contact an
Authorized Toro Distributor for
assistance).
Test the 48V batteries.
Verify that all starter/generator
motor-to-controller connections are
good.
Test the starter/generator (test
procedure pending).
Replace and program the
starter/generator (contact an
Authorized Toro Distributor for
assistance).
Test the 100A, 58V fuse.
Test the 48V batteries with the engine
Off.
Test the 48V logic relay and wiring.
Verify that all starter/generator
motor-to-controller connections are
good.
Test the starter/generator (test
procedure pending).
Replace and program the
starter/generator (contact an
Authorized Toro Distributor for
assistance).
Test the 12V battery voltage.
Swap the T1: Primary controller
with a known-good unit (contact
an Authorized Toro Distributor for
assistance).
(Optional)