Haemonetics PCS 2, Руководство пользователя, Страница: 66 / 134

5. Press the STOP key to exit HS Bowl.
6. Press the STOP key again to exit Configuration. Toggle the write
protect switch on the Processor Card when instructed, and then
replace the rear panel.
7. Exit Utilities by pressing the STOP key.
Valves Test
1. Power on the PCS2 into the Utilities mode of operation by pressing
and holding the PLASMA key during power up until the Utilities
menu appears.
2. Select Diagnostics on the Utilities menu by pressing the MODIFY
PROGRAM key until the arrow points to Diagnostics, then press the
DRAW key.
3. Select the Valves test by using the MODIFY PROGRAM key to move
the arrow to “Valves” test and the DRAW key to execute.
4. Open all three valves by pressing the SALINE, PLASMA, and CUFF
keys.
5. Insert tubing from a PCS2 harness set, LN 620, into each valve and
press the DRAW key to start cycling the valves.
6. Allow valves to cycle for at least one minute, then press the STOP
key. Verify that at the end of one minute, no errors have accumulated
in the error log. If errors exist, determine which valve is causing the
error by running the cycle test again. Isolate problem to power
(Eng./De-eng.) position switch (Open/Closed), or valve current (High-
current). Refer to Chapter 6, Troubleshooting.
7. Exit the Valves test by pressing the MODIFY PROGRAM key.
Weigher Test
1. Power on the PCS2 in the Utilities mode of operation by pressing and
holding the PLASMA key while switching the power on. Hold the
PLASMA key until the Utilities menu appears on the display.
2. Select Diagnostics on the Utilities menu by pressing the MODIFY
PROGRAM key until the arrow points to Diagnostics, then press the
DRAW key.
3. Be sure the weigher arm is fully extended with nothing hanging on it.
Select the weigher test on the Diagnostics menu by pressing the
MODIFY PROGRAM key, then press the DRAW key.
4. Verify the displayed weight is ZERO ±1.
5. Hang the following calibrated weights on the weigher and verify that
the displayed weight is within the defined specification.
• 1000 ± 5 grams
5-6 PCS2 Service Manual
Testing