Service Manual
Table Of Contents
Fault
Number
Fault Title
Controller
Affected
Fault Condition/
Circuit
Description
Additional Notes
Service Actions
(Repair or replace any
worn or damaged parts)
31
48 Vdc Key Switch
Overvolt
Master TEC
This fault is reported
when the TEC-5002
detects that all 6
individual 48 Vdc key
switch circuit overvolt
faults are active at the
same time.
The likely cause is a
motor/generator issue (charging
system failure, wrong type of
batteries installed, etc.).
1) With the engine off, test the 48
Vdc battery system.
2) With the engine running, test
the 48 Vdc battery system.
3) Replace the motor/generator
controller.
32
Unknown Cutting
Unit Fault
Master TEC
This fault is reported
when an error exists in
the TEC-5002
software.
Contact the Toro Technical
Assistance Center.
33
Unknown
Motor/Generator
Fault
Master TEC
This fault is reported
when an error exists in
the TEC-5002
software.
Contact the Toro Technical
Assistance Center.
34
Unknown Master
Controller Fault
Master TEC
This fault is reported
when an error exists in
the TEC-5002
software.
Contact the Toro Technical
Assistance Center.
37
TEC Output Current
to Glow Plug Relay
is Excessive
Master TEC
This fault is reported
when the TEC-5002
output current to
energize the glow plug
relay is excessive.
Use Toro DIAG to save the
machine timers and counters
file.
1) Test the glow relay.
2) Test the glow relay wiring.
3) Replace the TEC-5002
controller.
38
CAN Bus Fault –
CRM 1
Master TEC
This fault is reported
when the TEC-5002
loses (or never
established)
communication with
cutting reel motor 1 on
the CAN bus.
When any individual cutting reel
motor is shut off due to a fault,
the TEC-5002 shuts off the
other 4 cutting reel motors.
1) Inspect the wiring for cutting reel
motor 1.
2) Swap cutting reel motors
between units, and replace the
faulty motor.
3) Measure 48 Vdc power in main
harness connectors P46 and
P47.
4) Test the CAN bus wiring in
connector P46.
5) Test the location ID module
wiring in connector P46.
Reelmaster 5010-H Diagnostic Fault Code Quick Reference Table Page 6 of 38