Hill-Rom Century+ P1400, Руководство по обслуживанию

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2.7 The Bed Down Function Does Not Work
Chapter 2: Troubleshooting Procedures
Page 2 - 52 ™ Bed Service Manual (man241)
2.7 The Bed Down Function Does Not Work
1. The bed down function does not work when it is activated from either the
left siderail or the right siderail.
Yes No
↓ →
Go to step 23.
2. Press the bed up button. The bed moves upward.
Yes No
↓ →
Go to step 5. After you complete this procedure, go to RAP 2.6
3. Check if the hilow drive was at the limit of its movement by pressing the
bed down button. The bed moves downward.
Yes No
↓ →
Go to step 5.
4. If the bed down function now operates normally, go to “Final Actions” on
page 2-7. Otherwise, go to step 5.
5. Check the hilow limit switch be grasping the hilow rod and moving it back
and forth approximately 3" (8 cm). You hear the hilow limit switch
clicking on and off.
Yes No
↓ →
Replace the hilow limit switch. If this solves the problem, go to
“Final Actions” on page 2-7. Otherwise, go to step 6.
6. Perform the following steps:
a. Set your VOM to measure 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 P200 (A) (see figure 2-12 on page 2-53), check the voltage between
VSS (pin 21) and the bed down function (pin 10) (see figure 3-1 on
page 3-3, and figure 3-4 on page 3-5).