Loma IQ3, User Manual

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Logs and Reports
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Problem: Drive overload - This is a warning message advising that the drive current for the
selected operating frequency has increased and is approaching the upper limit. If the upper
limit is exceeded, this will cause the transmitter to operate in 100kHz safe mode. If safe mode
is entered, then the detector operation will be affected and may cause false rejects or poor
metal sensitivity.
o
Action: Go to the Menus > Service > Configuration > Drive Settings menu and select
the same frequency that was running when the error occurred. It may be that the Drive
On time has been manually increased. Decrease the value of the Drive On time entry
incrementally, until the displayed drive current (in the same menu) is in the region of 230
- 250mA. Note that detectors with large apertures will have drive currents below the
normal 230 - 250mA range if operating at frequencies above 650kHz. If the message
persists or the user is in doubt then contact your local Loma Service Centre for
assistance.
Faults Report
Purpose
System faults are classified as serious and require immediate action. When a fault is generated the
fault relay operates, permanently, operating the reject device and/or stopping the conveyor transport,
and must be cleared in the
Menus > Logs > Faults menu by selecting the Clear Faults? option.
This report is useful for monitoring the types of faults being generated that interrupt production and
looking for potential trends so that improvements may be made to reduce production down time.
Running the Report
To run the report, navigate to the Menus > Logs > Faults menu, scroll down to the Faults Report?
menu option and then press the OK / Enter Key . The report will then be generated and sent over the
serial link to the connected device.
Report Contents
The report contains a list of the last system faults recorded, up to a maximum of 20, under the
following column headings:
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Date – Displays the date that the error occurred.
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Time – Displays the time that the error occurred.
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Machine Identification - Displays the Machine ID.
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Total Number of Faults - Displays the number of faults included in the report.
The following details are then provided for each Fault included in the report:
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Fault - Displays a brief description of the reason why the fault has been generated. See
Example problems below.
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Occurred – Displays the date and time that the fault occurred.
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Error status is – Displays the current status of the fault:
o
ACT (Active) – The error is current and has not been cleared.
o
EVT (Event) – The error has been cleared.
o
PSV (Passive) – The error has been listed for advice only.
Example Problems
Some example system faults problems that may be displayed and suggested remedial actions are
listed below.
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Problem: 5V out of spec - the 5V rail is less than 4.75V.
o
Action: Contact your local Loma service centre for assistance.
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