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2.2 The Head Up Function Does Not Work
Chapter 2: Troubleshooting Procedures
Page 2 - 16
™ Bed Service Manual (man241)
e. In the cable (P17 or P18), check the resistance between VCC
(common) (pin 7) and the head up function (pin 3) (see figure 3-1 on
page 3-3, and figure 3-4 on page 3-5).
f.
While holding the VOM probes in place, depress the head up button.
g. The VOM reads 100
Ω
or less.
Yes
No
↓
→
21. Replace the test port. If this solves the problem, go to “Final Actions” on
page 2-7. Otherwise, go to step 27.
22. 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”
c. Open the siderail with the inoperative head up function (see “Siderail
Nurse Call, Lighting, or Bed Control Switch Assembly” on page 4-52).
d. Disconnect the cable that connects the test port (P200) (see figure 2-2
on page 2-11) to the siderail with the inoperative head up function at
the siderail end of the cable.
e. In the cable (P17 or P18), check the resistance between VCC
(common) (pin 7) and the head up function (pin 3) (see figure 3-4 on
page 3-5).
f.
The VOM reads
Ω
“open” (near infinite).
Yes
No
↓
→
Replace the cable that connects the test port (P200) (see figure
2-2 on page 2-11) to the siderail with the inoperative head up
function. If this solves the problem, go to “Final Actions” on
page 2-7. Otherwise, go to step 27.
23. Perform the following
Содержание Century+ P1400
Страница 5: ...Revisions Page iv Century Bed Service Manual man241 NOTES...
Страница 17: ...Chapter 1 Introduction Page 1 4 Century Bed Service Manual man241 NOTES...
Страница 45: ...Warning and Caution Labels Chapter 1 Introduction Page 1 32 Century Bed Service Manual man241 NOTES...
Страница 47: ...Chapter 2 Troubleshooting Procedures Page 2 2 Century Bed Service Manual man241 NOTES...
Страница 53: ...Final Actions Chapter 2 Troubleshooting Procedures Page 2 8 Century Bed Service Manual man241 NOTES...
Страница 115: ...Chapter 3 Theory of Operation Page 3 2 Century Bed Service Manual man241 NOTES...
Страница 125: ...Theory of Operation Chapter 3 Theory of Operation Page 3 12 Century Bed Service Manual man241 NOTES...
Страница 129: ...Chapter 4 Removal Replacement and Adjustment Procedures Page 4 4 Century Bed Service Manual man241 NOTES...
Страница 191: ...Warranty Chapter 5 Parts List Page 5 4 Century Bed Service Manual man241 NOTES...
Страница 195: ...Exchange Policy Chapter 5 Parts List Page 5 8 Century Bed Service Manual man241 NOTES...
Страница 198: ...Base Module Chapter 5 Parts List Century Bed Service Manual man241 Page 5 11 5 NOTES...
Страница 206: ...Frame Surface Module Chapter 5 Parts List Century Bed Service Manual man241 Page 5 19 5 NOTES...
Страница 210: ...Hilow Drive Assembly Chapter 5 Parts List Century Bed Service Manual man241 Page 5 23 5 NOTES...
Страница 222: ...Automatic Contour Module Chapter 5 Parts List Century Bed Service Manual man241 Page 5 35 5 NOTES...
Страница 249: ...Chapter 6 General Procedures Page 6 2 Century Bed Service Manual man241 NOTES...
Страница 261: ...6 3 Siderail Lubrication Chapter 6 General Procedures Page 6 14 Century Bed Service Manual man241 NOTES...
Страница 263: ...Chapter 7 Accessories Page 7 2 Century Bed Service Manual man241 NOTES...
Страница 266: ...7 1 Roller Bumpers P818C08 Chapter 7 Accessories Century Bed Service Manual man241 Page 7 5 7 Adjustment None...
Страница 274: ...Schematic Wiring Diagram Wiring Diagram Label Back to Chapter 3...
Страница 275: ...Schematic Wiring Diagram Bed Exit II General Schematic Back to Chapter 3...
Страница 276: ...Schematic Wiring Diagram Control Board Back to Chapter 3...
Страница 277: ...Schematic Wiring Diagram Night Light P C Board Wiring Diagram Back to Chapter 3...