Hill-Rom Advanta P1600, Service Manual

Page: 108 / 429

2.18 ZoneAire® Sleep Surface Mattress Disconnected— Error Code 2-5
Chapter 2: Troubleshooting Procedures
Page 2 - 42 Advanta™ Bed Service Manual (man168ra)
2.18 ZoneAire® Sleep Surface Mattress Disconnected—
Error Code 2-5
The possible cause of this error is that the electrical connection between the
control circuit and the pressure sensing circuit is disconnected.
CAUTION:
To prevent component damage, ensure that your hands are clean, and
handle the P.C. boards by their edges only.
CAUTION:
When working with electronics, wear an appropriate static strap.
Equipment damage can occur.
1. Unplug the bed from its power source. Check the main connector (A) under
the foot section of the bed for bent or recessed pins (see figure 2-9 on page
2-40). Also check J/P131 and J/P114 for bent or recessed pins. Replace or
repair the damaged pins. Connect the connector, and connect the bed to its
power source. Press the sleep surface power switch and wait about 6
seconds. Error code 2-5 appears.
This solves the problem.
Yes No
↓ →
Go to step 3.
2. Go to “Final Actions” on page 2-17.
SHOCK HAZARD:
High voltage is present. Use extreme care, or personal injury could
occur.
3. Take the following steps:
a. Remove the two Torx®
1
head screws, and loosen the two remaining
Torx® head screws on top of the seat section portion of the sleep
surface.
b. Place the seat section on either the head or foot sleep surface.
c. Connect the black probe of the VOM to the anode end of D16 (B)
located on the air control P.C. board (see figure 2-10 on page 2-43).
1. Torx® is a register trademark of Textron, Inc.