Hill-Rom Affinity Three - Hilow down Malfunction

2.3 Hilow Down Malfunction
Chapter 2: Troubleshooting Procedures
Page 2 - 14 Affinity® Three Birthing Bed and Affinity® Four Birthing Bed
Service Manual (MAN272 REV 4)
2.3 Hilow Down Malfunction
The hilow motor does not lower the bed when the hilow down switch is
activated.
1. The bed is plugged into the appropriate power source, and the lockout
switch is off.
Yes No
Plug the bed into an appropriate power source and turn the
lockout switch off. If this solves the problem, go to “Final
Actions” on page 2-10. Otherwise, continue to step 2.
2. Activate the hilow down switch on the opposite siderail. The hilow motor
runs.
Yes No
Go to step 4.
3. Activate another bed function switch on the siderail with the non-
functioning hilow down switch. The other bed functions work properly.
Yes No
Replace the P.C. switch board containing the faulty function(s)
for caregiver controls (refer to procedure 4.30) or for patient
controls (refer to procedure 4.29). If this solves the problem, go
to “Final Actions” on page 2-10. Otherwise, continue to step 4.
4. Activate the hilow down switch, and listen for an audible relay click. An
audible clicking sound can be heard.
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 5.
5. Allow the hilow motor to cool. Activate the hilow motor down switch. The
hilow motor runs.
Yes No
Replace the hilow motor (refer to procedure 4.3). If this solves
the problem, go to “Final Actions” on page 2-10. Otherwise,
continue to step 7.
6. Go to “Final Actions” on page 2-10.