Hill-Rom Affinity Three - Page 58

2.12 Bed Air Surface Malfunction
Chapter 2: Troubleshooting Procedures
Page 2 - 32 Affinity® Three Birthing Bed and Affinity® Four Birthing Bed
Service Manual (MAN272 REV 4)
Yes No
Go to step 27.
26. Go to “Final Actions” on page 2-10.
27. Set your VOM to measure V AC. At the air system control P.C. board
connector P21, probe pin 1 (white) and at the air system control P.C. board
connector P22, probe the pins listed in table 2-3 on page 2-32 while
pressing the appropriate siderail air function buttons (see table 2-3 on page
2-32). The voltage is approximately 115V AC.
NOTE:
For high voltage checks, do not unplug the connectors.
NOTE:
Mains power is 120V AC if domestic, 230V AC if European.
NOTE:
See “3-Station Manifold I/O Signal Reference” table 2-2 on page 2-29.
Yes No
Replace the air system control P.C. board (refer to procedure
4.22). If this solves the problem, go to “Final Actions” on page
2-10. Otherwise, contact Hill-Rom Technical Support.
Table 2-3. Solenoid Test—Air System Control P.C. Board Connector P22
28. Set your VOM to measure V DC. At the logic control P.C. board connector
P8, probe pins 7, 8, 9, 11, and 12 while pressing each siderail air function
button (see table 2-2 on page 2-29). The pin voltages are correct.
Yes No
Replace the logic control P.C. board (refer to procedure 4.23).
If this solves the problem, go to “Final Actions” on page 2-10.
Otherwise, contact Hill-Rom Technical Support.
29. Replace the cable or connectors from the logic control P.C. board to the air
system control P.C. board.
Pin# Wire Color Press Function
1 Yellow or black Back firm
2 Brown Seat firm
5 Red Seat soft
6 Violet Seat soft
8 Pink Seat soft
9 Tan Seat firm