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2.3 The Head Down Function Does Not Work
Chapter 2: Troubleshooting Procedures
Page 2 - 22
™ Bed Service Manual (man241)
Yes
No
↓
→
11. Go to step 27.
12. Check the fuse at the power outlet (common) side in the transformer box
(see figure 3-4 on page 3-5). The fuse is good.
Yes
No
↓
→
Replace the fuse. If this solves the problem, go to “Final
Actions” on page 2-7. Otherwise, go to step 13.
13. Check the fuse at the inlet power (primary side) (see figure 3-4 on page
3-5). The fuse is good.
Yes
No
↓
→
14. Go to step 27.
15. Perform the following:
a. Set your VOM to read volts DC.
SHOCK HAZARD:
Use extreme care when checking live voltage. Do not touch live
terminals, wires, or ground. Failure to use caution could result in
serious electrical shock injury.
b. At P3, measure the voltage for the head motor (pins 5 and 6) (see figure
c. The voltage is 12V DC +3V.
Yes
No
↓
→
Go to step 17.
16. Replace the cable from the control board to the head motor. If this solves
the problem, go to “Final Actions” on page 2-7. Otherwise, go to step 27.
17. Replace the control board (see “Control Board” on page 4-5) The head
down function now operates properly.
Yes
No
↓
→
18. Go to “Final Actions” on page 2-7.
19. Perform the following:
Summary of Contents for Century+ P1400
Page 5: ...Revisions Page iv Century Bed Service Manual man241 NOTES...
Page 17: ...Chapter 1 Introduction Page 1 4 Century Bed Service Manual man241 NOTES...
Page 47: ...Chapter 2 Troubleshooting Procedures Page 2 2 Century Bed Service Manual man241 NOTES...
Page 115: ...Chapter 3 Theory of Operation Page 3 2 Century Bed Service Manual man241 NOTES...
Page 191: ...Warranty Chapter 5 Parts List Page 5 4 Century Bed Service Manual man241 NOTES...
Page 195: ...Exchange Policy Chapter 5 Parts List Page 5 8 Century Bed Service Manual man241 NOTES...
Page 198: ...Base Module Chapter 5 Parts List Century Bed Service Manual man241 Page 5 11 5 NOTES...
Page 206: ...Frame Surface Module Chapter 5 Parts List Century Bed Service Manual man241 Page 5 19 5 NOTES...
Page 210: ...Hilow Drive Assembly Chapter 5 Parts List Century Bed Service Manual man241 Page 5 23 5 NOTES...
Page 249: ...Chapter 6 General Procedures Page 6 2 Century Bed Service Manual man241 NOTES...
Page 263: ...Chapter 7 Accessories Page 7 2 Century Bed Service Manual man241 NOTES...
Page 274: ...Schematic Wiring Diagram Wiring Diagram Label Back to Chapter 3...
Page 275: ...Schematic Wiring Diagram Bed Exit II General Schematic Back to Chapter 3...
Page 276: ...Schematic Wiring Diagram Control Board Back to Chapter 3...
Page 277: ...Schematic Wiring Diagram Night Light P C Board Wiring Diagram Back to Chapter 3...