Curtis 1222 Manual, os 15
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2 9 J A N U A R Y 2 0 1 3 D R A F T
8 — MAINTENANCE
3. Lift the locking latch on the logic connector and pull the
connector out by the shell, not by the wires.
4. Remove the five high-power terminal bolts and four mounting
bolts to remove the controller from the vehicle.
FAULT HISTORY
The handheld programmer can be used to access the controller’s fault history
file. The programmer will read out all the faults the controller has experienced
since the last time the fault history file was cleared. Faults such as contactor
faults may be the result of loose wires; contactor wiring should be carefully
checked. Faults such as overtemperature may be caused by operator habits or
by overloading.
After a problem has been diagnosed and corrected, it is a good idea to
clear the fault history file. This allows the controller to accumulate a new file
of faults. By checking the new fault history file at a later date, you can readily
determine whether the problem was indeed fixed.
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