Service manual

PN 4237242C
4.9-2
SERVICE AND REPAIR PROCEDURES
DILUTER RESOURCE ADAPTER (DRA) 1 AND 2 CARDS
Installation
1. On the new DRA card(s), verify all the jumper settings (Figure 4.9-1):
r X6 - use for both DRA cards.
r DRA1 - X5 ON and X4 jumpered for IRQ11.
r DRA2 - X5 OFF and X4 jumpered for IRQ12.
2. Install DRA card(s). DRA1 goes into the fourth, 16-bit expansion slot from the left
(facing the instrument) and DRA2 goes into the third, 16-bit expansion slot from the left
(Figure 4.6-1).
3. Replace the screw that fastens the card's metal mounting bracket to the rear of the
chassis by using a #1 Phillips-head screwdriver (Figure 4.6-1).
4. Reconnect the three ribbon cables (P1, P2, P3) to the Motor/Solenoid Driver card and
the AIM voltage cable connecting the SPAD card to the URA card.
5. Replace the top cover.
Verification
1. Turn ON the instrument’s power.
2. Observe that both syringes operate while the system is powering up.
3. Verify the operation of all the solenoid valves and the Traverse Assembly mechanism by
using the Service Diagnostic as directed under Heading 4.2.
4. Verify the operation of the peristaltic pumps:
a. From the Main Menu, select
5 SPECIAL FUNCTIONS tt 3 DILUTER FUNCTIONS.
b. Select
4 RINSE to check PM3.
c. Select
3 DRAIN to check PM4.
d. Select
5 MIX to check PM1.
e. Select
4 RINSE several times, until reservoir must refill, to check PM2.
5. Perform an SVP (Heading 5.1).