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Chapter Three – Troubleshooting Guides
40
3.4 BED MOTION TROUBLESHOOTING GUIDE (CONTINUED)
PROBLEM/SYMPTOM
SOLUTION(S)
Bed will not raise when switch is depressed.
Bed will not lower when switch is depressed.
(continued)
E. (Continued) Unusual noise emitting from a me-
chanical lift assembly during operation may indi-
cate mechanical problems. Replace motor and/or
mechanical lift mechanism, if necessary. Check
power and sensor coil cords (p/n 3000–200–804 &
3000–200–807 head sensor coil cord & 3000–
200–805 foot sensor coil cord). If either sensor
cord is defective, lift lock light on foot board will
flash. Replace, if necessary (see pages 91 & 92).
F. Check head and foot lift potentiometers (p/n
3000–200–807 & 3000–200–806). Check gear on
potentiometer shaft for proper alignment and cou-
pling. Ensure gear is securely mounted on the
shaft. Replace as necessary (see pages 89 & 90).
G. Check head and foot motor capacitors (p/n
3000–300–243). Replace as necessary (see page
77).
H. Check litter CPU board (p/n 3000–300–941).
Verify the following: (see page 199 for board loca-
tion)
1.) 110 VAC at connector P1, pins 5 and 8 when
Bed Up switch is pressed. Pins 4 and 9 when Bed
Down switch is pressed.
2.) +12 VDC at cathode of D11. Use digital
ground as a reference (negative lead on C18).
If appropriate output signals are not present, re-
place litter CPU board (see page 115).
Содержание Secure 3000
Страница 78: ...Notes 78 ...
Страница 106: ...Notes 106 ...
Страница 110: ...Chapter Five Maintenance Procedures Litter 110 5 6 CPR CONTINUED A B C K J B Area 1 B D L A G H ...
Страница 111: ...Chapter Five Maintenance Procedures Litter 111 5 6 CPR CONTINUED E E F F VIEW 1 VIEW 2 TOP VIEW ...
Страница 129: ...Appendix A Assembly Drawings and Parts Lists 129 A 1 BASE DRAWINGS BASE ASSEMBLY P N 3000 200 000 ...
Страница 131: ...Appendix A Assembly Drawings and Parts Lists 131 A 1 BASE DRAWINGS CONTINUED BASE ASSEMBLY P N 3000 200 000 CONTINUED ...
Страница 139: ...Appendix A Assembly Drawings and Parts Lists 139 A 1 BASE DRAWINGS CONTINUED FOOT END BRAKE ASSEMBLY P N 3000 200 350 ...
Страница 141: ...Appendix A Assembly Drawings and Parts Lists 141 A 2 LITTER DRAWINGS LITTER ASSEMBLY MECHANICAL P N 3000 300 399 ...
Страница 147: ...Appendix A Assembly Drawings and Parts Lists 147 A 2 LITTER DRAWINGS CONTINUED LITTER COVER ASSEMBLY P N 3000 300 25 ...
Страница 184: ...Notes 167 2 ...
Страница 241: ...Appendix B Circuit Board Locations Bed Wiring Diagrams 222 This page intentionally left blank ...
Страница 243: ...Appendix B Circuit Board Locations Bed Wiring Diagrams 224 This page intentionally left blank ...
Страница 249: ...DH 3 94 3000 000 020 REV B 420 Alcott Street Kalamazoo MI 49001 ...