Hill-Rom Affinity Three - Page 57

2.12 Bed Air Surface Malfunction
Chapter 2: Troubleshooting Procedures
Affinity® Three Birthing Bed and Affinity® Four Birthing Bed Page 2 - 31
Service Manual (MAN272 REV 4)
2
NOTE:
For high voltage checks, do not unplug the connectors.
NOTE:
Mains power is 120V AC if domestic, 230V AC if European.
Yes No
Go to step 24.
21. Set your VOM to measure V AC. At the air system control P.C. board
connector P20, probe pin 1 (black) and pin 3 (white). Press any bed inflate
button. 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.
Yes No
Replace the air system control P.C. board (refer to procedure
4.20). If this solves the problem, go to “Final Actions” on page
2-10. Otherwise, continue to step 27.
22. Replace the air compressor (refer to procedure 4.20). This solves the
problem.
Yes No
Go to step 27.
23. Go to “Final Actions” on page 2-10.
24. Set your VOM to measure V AC. At the logic control P.C. board connector
P16, probe pin 1 (black) and pin 3 (white). The voltage is approximately
115V AC if domestic, or 230V AC if European.
NOTE:
For high voltage checks, do not unplug the connectors.
NOTE:
Mains power is 120V AC if domestic, 230V AC if European.
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, continue to step 27.
25. Replace the cable or connectors between the logic control P.C. board and
the air system control P.C. board. This solves the problem.