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If there are no diagnostic messages, the selected menu
item will be displayed continuously. If the diagnostics
key is pressed and there are no active diagnostics, the
readout on the display will be:
NO ACTIVE DIAGNOSTICS PRESENT
When a system malfunction occurs, one of the
following appropriate diagnostic messages will be
displayed:
*** A machine shutdown has occurred ! ***
A machine shutdown occurred
but has cleared "press (Next)"
*** A circuit shutdown has occurred ! ***
A circuit shutdown occurred
but has cleared "press (Next)"
*** Informational warning ***
An informational warning occurred
but has cleared "press (Next)"
When a circuit shutdown - manual reset (CMR) or a
machine shutdown - manual reset (MMR) occurs, the
red LED to the right of the display will flash. Otherwise
this alarm LED is de-energized.
Diagnostics
If more than one diagnostic is present, only the highest
priority active diagnostic will be explained in detail. For
example, if the diagnostics occur in the following order
before the operator returns - IFW, MMR, CMR - the
display will read:
*** A machine shutdown has occurred ! ***
because the MMR has the highest priority. However, as
the operator moves through the diagnostic menu to the
"Last diagnostic," the [Diagnostic description] will
show the CMR diagnostic as well as the IFW. If the
"Next" key is pressed, the display will show all the
other active and historic diagnostics.
The active diagnostic priorities, listed from highest to
lowest are:
Machine shutdown - manual reset (MMR)
Machine shutdown - automatic reset (MAR)
Circuit shutdown - manual reset (CMR)
Circuit shutdown - automatic reset (CAR)
The following flowchart shows the display readouts
found under the diagnostics menu. By following the
steps shown in the flowchart, a brief description of the
diagnostic can be viewed. Use the Next key to enter the
main diagnostic menu, where the diagnostic can be
cleared.
16
Informational warning (IFW)
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