Hill-Rom Century+ P1400 - Page 76

2.4 The Knee Up Function Does Not Work
Chapter 2: Troubleshooting Procedures
Century+™ Bed Service Manual (man241) Page 2 - 31
2
19. Perform the following:
SHOCK HAZARD:
Unplug the bed from its power source. Failure to do so could result in
personal injury or equipment damage.
a. Unplug the bed from its power source.
SHOCK HAZARD:
Disconnect the battery backup. Failure to do so could result in personal
injury or equipment damage.
b. If applicable, disconnect the battery backup (see “Battery Backup Box”
on page 4-8).
c. Set your VOM to measure ohms.
d. At the test port (P200) (see figure 2-6 on page 2-27), disconnect the
cable that connects test port to the siderail with the inoperative knee up
function.
e. In the cable (P17 or P18), check the resistance between VCC
(common) (pin 7) and the knee up function (pin 5) (see figure 3-1 on
page 3-3, and figure 3-4 on page 3-5).
f. The VOM ohm reading is “open” (near infinite).
Yes No
↓→Go to step 22.
20. Perform the following:
SHOCK HAZARD:
Unplug the bed from its power source. Failure to do so could result in
personal injury or equipment damage.
a. Unplug the bed from its power source.
SHOCK HAZARD:
Disconnect the battery backup. Failure to do so could result in personal
injury or equipment damage.
b. If applicable, disconnect the battery backup (see “Battery Backup Box”
on page 4-8).
c. Set your VOM to measure ohms.