Diagnostic History - Clarke Clean Track® L24 56317170 Service Manual

Figure 30
Fault
Indicator
Speed Control
Fault Indicator (F)

Diagnostic History

The handheld programmer can be used to access the controller's diagnostic history file. Connect the programmer,
press the key, then while continuing to hold the key, press the key. The
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programmer will read out all the faults that the controller has experienced since the last time the diagnostic history file
was cleared. The faults may be intermittent faults, faults caused by loose wires or faults caused by operator errors.
Faults such as HPD or over-temperature may be caused by operator habits or by overloading.
After a problem has been diagnosed and corrected, clearing the diagnostic history file is advisable. This allows the
controller to accumulate a new file of faults. By checking the new diagnostic history file at a later date, you can readily
determine whether the problem was indeed completely fixed.
To clear the diagnostic history file, go to the Special Program Menu by pressing and holding the key, and
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then pressing the key. Scroll through the menu until is the top line in the display,
PROGRAM Clear Diagnostic History
and then press again. The programmer will prompt you to acknowledge or cancel.
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See the sections of this chapter dealing with the Curtis Speed Controller for more detail on programmer operation.
Form No. 56043161 - Clean Track L24 - 67
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