Hill-Rom Advanta P1600, Service Manual

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2.11 Foot (Hilow) Section Does Not Lower When the Reverse Trendelenburg Switch is Activated
Chapter 2: Troubleshooting Procedures
Page 2 - 30 Advanta™ Bed Service Manual (man168ra)
2.11 Foot (Hilow) Section Does Not Lower When the Reverse
Trendelenburg Switch is Activated
The foot section does not lower (the foot hilow motor does not operate) when
the footboard reverse trend switch is activated.
1. The head and knee sleep surfaces are completely flat.
Yes No
↓ →
Press the head and knee switch on the siderail. If they operate
from the siderail, go to step 3. If they do not, see “Head Section
Does Not Lower” on page 2-25 or “Knee Section Does Not
Lower” on page 2-23.
2. Press the bed down switch on the siderail. The head section of the hilow
function goes down.
Yes No
↓ →
See “Foot Hilow Does Not Lower” on page 2-20.
3. Set your VOM to check V DC. At J/P15, place the black probe into the heat
sink regulator (A) (see figure 2-8 on page 2-28) and the red probe into pin 9
(see figure 3-11 on page 3-10). Activate the footboard reverse trend
switch. The voltage is b3 and +6V DC.
Yes No
↓ →
Replace the frame interface P.C. board or ZoneAire®/footboard
interface P.C. board (refer to procedure 4.36). If this solves the
problem, Go to “Final Actions” on page 2-17. Otherwise Go to
step 4.
4. Replace the logic control P.C. board (refer to procedure 4.35).
This solves the problem.
Yes No
↓ →
Call Hill-Rom Technical Support at (800) 445-3720.
5. Go to “Final Actions” on page 2-17.