THEORY OF OPERATION Chapter 2
2 - 27
2.3.6.1 Error Trap Numbering
Pump fail-safe errors that are displayed as codes are assigned fixed numbers.
Master processor fail-safe error codes will be displayed as ERROR M<code>, where
<code> is a six digit number (for example, ERROR M000215).
Slave processor fail-safe error codes will be displayed as ERROR L<code> where <code>
is a six digit number (for example, ERROR L000180).
2.3.6.2 Lost Library Access Code
In the event a library access code is lost, contact the Andover Service Center for retrieval
instructions.
2.3.6.3 Changing RATE in Concentration Modes
Allows the operator to edit either RATE or DOSE during delivery in all modes for which a
concentration and a dose are programmed except for CUSTOM DILUTION mode.
If a RATE value is selected for which the equivalent DOSE value is out of range for the
LCD (< .0001 or > 9999.), a PUMP LIMIT error response, is provided, displaying the
nearest acceptable DOSE (.0001 or 9999.) value and its equivalent rate.
2.3.6.4 Allow Restart After Empty Alarm
Because of mechanical tolerance allowances and variations in syringe hard height (length
of empty syringe with the plunger bottomed out), a residual volume of drug may remain in
the syringe when the pump detects the Empty position.
The pump will allow the operator to restart delivery after an Empty alarm. The pump will
continue to display the alarm text (
“EMPTY” or
“EMPTY <protocol
>”) and the ALERT LED
will continue flashing. The pump will continue in Run state until it is manually stopped by
the operator, or until an Occlusion alarm occurs.
2.3.6.5 Syringe Pop-Out Detection
The pump will provide a syringe pop-out check during Run, Bolus and Purge delivery. The
pump will issue a CHECK BARREL alarm (assuming only the barrel clamp state is invalid)
if the apparent barrel diameter reaches or exceeds [approx. 1/8 inch] over the maximum
barrel diameter for the programmed syringe size.
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