Toro Groundsmaster 4500-D Series Service Manual page 66

Fault
Fault Title
ID
U1024
TEC Fuse 4
Failure
U1025 TEC Fuse 5
Failure
U1030 5V Supply - Out
of Range
Model Number
U110C
Unknown
U110D Serial Number
Unknown
U1117 Source Address
Contention Fault
U1308 Software Version
Incompatibility -
Secondary 1
U130A Software Version
Incompatibility -
InfoCenter
U130F Software Version
Incompatibility -
Unknown
U1701 Board Internal
Error - IPE
Troubleshooting:
Contro- Fault Condition
ller(s) / Circuit
Affected Description
T1 Fuse is blown on
outputs 9–12 on
T2
the TEC.
T1 Fuse is blown on
outputs 13–16 on
T2
the TEC.
T1 5V Supply
voltage has been
determined to be
out of range either
on the high or low
side.
T1 Model number not
recognized.
T1 Serial number not
recognized.
T1 Controller received
a message from
T2
another controller
on the CAN bus
using the same
source address.
T1 Auxiliary TEC
firmware is
incompatible.
T1 InfoCenter
software is
incompatible.
T1 Unknown
software version
incompatible.
T1 Inputs or outputs
on the controller
T2
are not working
correctly due to low
internal voltage.
Inputs can't be
trusted.
Additional
Notes
For T1: Check the 7.5-amp fuse F-B1.
For T2: Check the 7.5-amp fuse F-B2.
For T1: Check the 7.5-amp fuse F-D1.
For T2: Check the 7.5-amp fuse F-D2.
Disable the 1. Check the 5V out at P74, pin 20.
controller
2. Disconnect the sensors one by one to
functionality.
make sure one of them is not pulling too
heavy of a load.
3. Swap the T1: Primary controller with a
known-good unit (contact an Authorized
Toro Distributor for assistance).
Disable
Reprogram system software (contact your
engine. Authorized Toro Distributor for assistance).
Disable Reprogram system software (contact your
engine. Authorized Toro Distributor for assistance).
Disable the Reprogram system software (contact your
machine. Authorized Toro Distributor for assistance).
Disable the Reprogram system software (contact your
machine. Authorized Toro Distributor for assistance).
Disable the Reprogram system software (contact your
machine.
Authorized Toro Distributor for assistance).
Disable the Reprogram system software (contact your
machine. Authorized Toro Distributor for assistance).
Disable the 1. Check 12V battery.
controller
2. Swap the TEC controller with a
functionality.
known-good unit (contact an Authorized
Toro Distributor for assistance).
Page 3–26
Service Actions
Groundsmaster ® 4500-D/4700-D
19245SL Rev A