Hill-Rom Advanta P1600, Service Manual

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2.18 ZoneAire® Sleep Surface Mattress Disconnected— Error Code 2-5
Chapter 2: Troubleshooting Procedures
Page 2 - 44 Advanta™ Bed Service Manual (man168ra)
Yes No
↓ →
Go to step 7.
5. Replace the air control P.C. board (refer to procedure 4.9).
This solves the problem.
Yes No
↓ →
Go to step 7.
6. Install all covers, and return the bed to operating condition. Go to “Final
Actions” on page 2-17.
7. Take the following steps:
a. Open the mattress cover to gain access to the components in the foot
end of the mattress (see “ZoneAire® Sleep Surface” on page 1-14).
b. Remove the control board cover (A) from the control board frame (B)
(see figure 4-7 on page 4-20).
c. Connect the black probe of the VOM to the negative lead of C6 (B) on
the sensor P.C. board (see figure 2-11 on page 2-45).
d. Initiate the self diagnostics test (see “Air System Self-Diagnostic Test”
on page 2-15).
e. Connect the red probe of the VOM to the cathode end of D2 (C). The
voltage is greater than 8V DC.
Yes No
↓ →
Check the mattress cable for continuity. Replace the cable if
required.
8. With the black probe of the VOM still connected to the negative lead of C6
(B), initiate the self diagnostics test (see “Air System Self-Diagnostic Test”
on page 2-15). Put the red probe of the VOM on pin 13 of J/P131 (A). The
voltage is greater than 4V DC.
Yes No
↓ →
Replace the mattress sensor control P.C. board (refer to
procedure 4.7). If this solves the problem, go to “Final Actions”
on page 2-17. Otherwise, call Hill-Rom Technical Support at
(800) 445-3720.
9. Go to “Final Actions” on page 2-17.