Qualstar RLS-4470, Техническое и сервисное руководство

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7-72 Field – Replaceable Units (FRUs)
501510 Rev. S
set the power-on-days timer, the timer continues counting from its present value
and the next alert will occur in 90 power-on days.
When the next Air Filter alert occurs, if the filter needs replacing, leave the
Filter Days
value at 210 days. If the filter still does not need replacing,
press the EXIT key, then increase the
Filter Days
value again. Keep in-
creasing the
Filter Days
value each time the Air Filter alert appears until
the maximum value for the given environment is determined.
4. If the filter does need replacing when the Air Filter alert message appears, press
the ENTER key to dismiss the alert and reset the Filter Days timer. Then, fol-
low the procedure in Section 7.23.2 to replace the Air Filter.
7.23.2 Air Filter Replacement
1. Open the Front Panel/Door as described in Section 7.4.
2. Grasp the center rib of the Air Filter element and pull it up and slightly rear-
ward to clear the lip built into the Front Panel/Door.
3. Pull the right side of the filter towards the center of the Front Panel/Door to
clear the right side slot.
4. Pull the left side of the filter towards the center of the Front Panel/Door clear
the left side slot.
5. Take a new Air Filter element and turn it so that the ribs are facing up and the
end with the notch is pointing towards the left side of the RLS.
6. Fully insert the right side of the filter into the right side slot.
7. Fully insert the left side of the filter into the left side slot.
8. Tuck the center portion of the filter under the lip built into the Front Pan-
el/Door.
9. Push down and flatten any portion of the filter may be above the edge of the
Front Panel/Door.
10. Close the Front Panel/Door.
7.24 Calibration
The RLS will automatically recalibrate itself when commanded. It should be recali-
brated after changing a critical FRU. All FRUs and the need to recalibrate them are
listed in Table 7-1. The RLS must first be properly setup before invoking the
Cali-
brate
command.
7.24.1 Calibration Setup
The following conditions must be met before initiating a
Calibration
command: