Hill-Rom Advanta P1600, Service Manual

Page: 113 / 429

2.19 ZoneAire® Sleep Surface Triac Open—Error Code 2-6
Chapter 2: Troubleshooting Procedures
Advanta™ Bed Service Manual (man168ra) Page 2 - 47
2
c. 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.
d. Remove the footboard (see “Footboard” on page 4-7).
e. Remove the foot end cover from the bed (see “Foot End Cover” on
page 4-9).
f. Using a 3/8" nutdriver, remove the nut (D) securing the circuit board
pan (E) (see figure 4-11 on page 4-32).
g. To access the transformer (C), carefully lift the circuit board pan (E).
h. Inspect the transformer wiring assembly (A). Repair any broken or
damaged wires.
4. Disconnect and then connect the transformer wiring assembly connector
J/P118 to the air control P.C. board (see figure 2-10 on page 2-43). Plug the
bed into its power source, and perform the “Air System Self-Diagnostic
Test” on page 2-15. The pump passes this test, but all the valves do not.
Yes No
↓ →
Return the bed to its normal operating condition. Go to “Final
Actions” on page 2-17.
5. Disconnect connector J/P 118 and measure the AC voltage between pins 3
and 12 (see figure 2-12 on page 2-47). The voltage is greater than 20V AC.
Yes No
↓ →
Go to step 8.
Figure 2-12. Connector J/P118 Pins
6. Replace the air control P.C. board (refer to procedure 4.9).
1. Torx® is a register trademark of Textron, Inc.
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