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Rev 3 November2020
7.10.4 Aeromax™ Control System Reset
The Aeromax™ control board has a reset function available for Qualified Service Personnel.
Master Reset-Resets all calibration, cabinet size, motor type/function and option settings back to their default
condition. It is recommended to perform a master reset upon installation of replacement control board or if there
seems to be intermittent functional abnormalities.
Perform the following sequence to accomplish a master reset:
1.
Turn off all functions i.e. blower, lights, etc.
2.
Press and hold alarm silence key for 10 seconds until alarm LED flashes, then release.
3.
Press hidden key within 5 seconds of the alarm LED flashing. There will be a (3) beep confirmation that
the reset has occurred.
4.
Turn off cabinet (either unplug cabinet or use power switch on left side within control panel) then turn
back on to reinitialize the Aeromax™ control board. Just as in the initial power up, the RED alarm LED will
blink to indicate power up status.
5.
Press key to clear the power on reset message.
6.
Enter into service parameters and input configuration for calibration and option settings as required.
8.0 Error Messages, Troubleshooting, Option-Diagnostics and Airflow Sensor Performance Verification
Audible alarms and error messages occur for a variety of reasons. Whenever an alarm condition has been present for a
period of at least 10 seconds, the audible alarm/error message will be presented and stay on until the error is cleared. The
audible alarm will be on for 30 seconds upon initial alarm condition, then once every ten seconds. When presented with an
error message, please perform the following:
Step 1: NOTE ALL ERROR MESSAGES.
Error message will appear on the control panel with red LED’s.
Step 2: VERIFY ERROR MESSAGES.
Error messages can be verified by clearing the error function by either turning the blower or the cabinet on
and off.
Step 3: MONITOR RE-OCCURRENCE OF ERROR MESSAGES.
If re-occurrence of the error message is immediate or daily, use the following guide to correct the situation.
Summary of Contents for LabGard NU-640-400
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