Hill-Rom Affinity Three - Logic Control P.C. Board Assembly

4.23 Logic Control P.C. Board Assembly
Chapter 4: Removal, Replacement, and Adjustment Procedures
Affinity® Three Birthing Bed and Affinity® Four Birthing Bed Page 4 - 57
Service Manual (MAN272 REV 4)
4
4.23 Logic Control P.C. Board Assembly
Tools required: Needle nose pliers Isopropyl alcohol
SHOCK HAZARD:
The voltage in the electrical system presents an electrical shock
hazard. Perform standard electrical service procedures before
attempting service within the P.C. board enclosure. Adhere to all
electrical safety precautions when servicing the bed’s electrical system.
Failure to do so could result in personal injury or equipment damage.
Removal
1. Set the brake/steer pedal to the brake position.
2. Ensure that the bed is out of the Trend-Like position.
3. Using the hilow function, raise the bed to the high position.
NOTE:
If the hilow function is inoperable, skip step 3.
4. Using the head function, raise the head section to the high position. If the
head function is inoperable, perform the following step:
a. Pull the CPR handle, lift the head section far enough to gain access to
the motor cover, and then release the CPR handle.
SHOCK HAZARD:
Unplug the unit from its power source. Failure to do so could result in
personal injury or equipment damage.
5. Unplug the bed from its power source, and engage the lockout control.
6. Remove the top motor cover (refer to procedure 4.1).
7. Identify and disconnect the wiring connectors from the logic control P.C.
board (A), beginning with the battery cable connection P5 (see figure 4-30
on page 4-58).
CAUTION:
To prevent component damage, ensure that your hands are clean, and
only handle a P.C. board by its edges. Failure to do so could result in
equipment damage.