8. Install a new DPM/SPM filter with about 4” of tubing onto the SPM.
Connect a calibrated electronic/digital measuring device or equivalent
device to the filter tubing. Pressurize the SPM to 1/- 5mmHg
and verify that the displayed pressure reading is within the range of 95–
105 mmHg.
9. If calibration is required, see
Display
1. Use
MODIFY PROGRAM
to highlight DISPLAY and then press
START
.
2. Verify all pixels are lit on the display.
3. Verify that the display is readable standing at a four foot distance from
the machine.
4. Press
STOP
to exit.
Keyboard
Test
Note: Power on the device in the Utilities mode of operation by pressing and
holding
SHAKER
while switching the power on. Hold
SHAKER
until the
UTILITIES menu appears on the display. On the UTILITIES menu, press
MODIFY PROGRAM
until the arrow points to DIAGNOSTICS, then press
START
.
1. Select the keyboard test using
MODIFY PROGRAM
and
START
.
2. Press each key (save
MODIFY PROGRAM
for last) and verify that LED
extinguishes (if equipped) and key pressed value indicates the correct
key name.
3. Pressing
MODIFY PROGRAM
exits the keyboard test.
Centrifuge
Cover and Lock
Test
1. Install a disposable bowl half filled with water into the centrifuge chuck
and close and latch the centrifuge cover halves.
2. Verify that the COVER value changes from OPEN to CLOSE.
Centrifuge
Speed, Noise
and Bowl
Vibration Test
1. Install a new disposable bowl partially filled with water (approximately
1/2 full) into the centrifuge. Close and lock the centrifuge cover.
Note: It is important to use the same type of disposable bowl that is normally
used by the center.
2. Look for signs of loose or misadjusted hardware on the centrifuge lid. If
this is observed, replace the centrifuge.
Note: If the flat black hex screws underneath the cover lid near the cover knob
are damaged or have been removed, replace the centrifuge. The height
between the cover and the bowl header can be compromised causing bowl
failures.
