Troubleshooting
Checking Fault Codes (EH Models Only)
If the Diagnostic LED indicates that there is a system fault (refer to
Diagnostic LED Function (page 16)
), check
the fault codes to determine what is wrong with the machine.
Entering Diagnostic Mode and Checking the Codes
1.
Push the E-S
TOP
button down to turn off the power.
2.
Pull the tethered cap off of the two diagnostic, shunt connectors (
, A).
3.
Connect the diagnostic, shunt connectors together (
, B).
Figure 59
4.
Pull the E-
STOP
up to turn on the power.
5.
Count the number of flashes to determine the fault code, then consult the following table:
Note:
If there are multiple faults, both faults will flash, then a long pause, then the flash sequences will repeat.
Code
LED Flash Pattern
Behavior
Details
Machine Specific Faults
Connector not plugged in; locate
the loose or disconnected harness
connector and connect it.
Something wrong in the wiring;
contact your Toro Distributor.
11
Blink once, pause, blink once, long
pause, then repeat
Lost communication with BASE.
BASE is bad; contact your Toro
Distributor.
12
Blink once, pause, blink twice, long
pause, then repeat
Version incompatibility of the BASE
and/or HH
Wrong software (install the correct
software from TORODIAG); contact
your Toro Distributor.
13
Blink once, pause, blink 3 times, long
pause, then repeat
Wrong HH—not implemented on
RevA
Wrong product association (i.e.
trying to operate ProPass unit with a
MH–400 handheld)
38