Toro Greensmaster TriFlex 3300 Manual page 204

1. Socket-head screw
2. Main harness connector P01
CAUTION
Overtightening the harness connector retaining fastener will damage the primary TEC
controller.
After you plug connector P01 back into the TEC, torque the retaining fastener for P01 to 25–28
in-lbs.
Pass
The wiring tested good. Go to Step 6.
Fail The wiring did not test good. Repair or replace the faulty wiring. Go to
Service (page 21)
Step 6: Swap the primary TEC controller with a known good unit.
Note:
TEC controllers are programmed to specific machine model and serial numbers. TEC controllers do not
function until programmed by Toro DIAG.
There are three procedures that you need to accomplish as part of replacing a TEC. Refer to
Electronic Controller (TEC) (page
1. Use Toro DIAG to save the machine timers and counters file out of the original TEC. (page 23)
2. Replace the TEC. (page 24)
3. Use Toro DIAG to program the TEC, and then restore the TD2 file. (page 25)
4. Duplicate the operation of the machine when the fault occurred with the original primary TEC.
The fault no longer
repeats.
The fault still repeats.
and follow the steps listed.
23).
Go to Returning the Machine to Service (page 21)
Reinstall the original primary TEC controller. Repeat the diagnostic process for
this fault.
Figure 126
3. Primary TEC-5001 controller
204
Returning the Machine to
Replacing a Toro
and follow the steps listed.
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