NuAire NU-5710, Operation And Maintenance Manual

Page: 21 / 64

OM0249 Page 21 of 64
Rev 4 June/2020
8.3.6 Automatic notification of abnormal situations (See Section 11 for details)
The red “Alarm Status” text message (button) will appear on the Main
Screen to indicate a fault within the Incubator system. An audible
alarm is also heard. The audible alarm is on for 10 seconds at the beginning
of an alarm condition and thereafter, it will be on 1 second every 30
seconds.
By depressing (touching) the Alarm Status text on the Main Screen, you
now reach the Incubator Alarm Status screen which will identify which
Incubator sub-systems are in an alarm state (Temperature, CO
2
, or
General). You may exit the screen or touch any of the sub-system buttons
which will give you more specific information on alarm conditions. See Section 11.0 for more specifics on alarm
conditions.
8.3.7 Password Protection
There are 2 levels of password protection.
1. The permanent numerical password required for accessing the “Service Settings” menu screen.
This screen is accessed by pressing the “Service Settings” text Icon in the “System Settings” menu screen.
The password is and it cannot be changed or deleted.
The functions in the “Service Settings” screen are intended to be used by qualified technicians to calibrate
the control system sensors like Temperature and CO
2
, adjust optional parameter settings to customize
incubator performance, perform system diagnostics and to Factory or Master reset for returning the
incubator to Default settings.
2. A selectable 4 digit numerical password that is entered by the Incubator user to prevent others that are not
authorized to change the Incubator set points (CO
2
%, Temp), running conditions of the Incubator, initiate a
Decon Cycle or changing passwords. The password protection may be initiated by accessing the “Set
Password” menu in the System Settings menu screen. Once initiated, a four digit number must be entered,
then re-entered for verification.
8.3.8 Standard remote communication capability
The NU-5710 Incubator comes equipped with the following remote communication tools:
• USB Output of daily, weekly & monthly performance logs and an event log that indicates when alarms,
door openings and power interruptions occur.
• 4-20 milliamp analog Output
• RS-485 2 way communications
• A USB method of updating the software
8.3.9 Diagnostic and calibration assists.
To access the Service Settings Menu, perform the following steps: NuAire
Logo → Service Settings → 9876 Enter. You are now in the Service Settings
Menu (screen). This screen provides you the capability to review and
analyze numerous Incubator functions including the following:
•
Individual analog inputs may be displayed to assist calibration.
•
Individual outputs may be forced to an on or off condition.
•
Individual digital inputs may be displayed.
•
Calibrated and Uncalibrated values are displayed.
• All options may be individually tested.
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