Maintenance Manual
16
No Knee Gatch up or down motion when:
• the siderail command is used
• the foot board command is used
• Is the Knee Gatch lockout activated (LED
(padlock) on)? If so, deactivate it.
• Is the total lockout activated (LED (padlock)
on)? If so, deactivate it.
• Is the cable of the siderail control panel
properly connected to the bed connector
under the mattress support?
• Check points of the “No power to bed”
problem described above.
No Auto Contour motion (optional))
• Is the Knee Gatch or total lockout activated
(LED (padlock) on)? If so, deactivate it.
• Check and replace if needed the two Auto
Contour limit switches (see page 44).
Improper operation of the CPR positioning
(optional): Knee Gatch does not lower and/or
the Fowler actuator does not reset.
• Check and replace if needed (see pages
46 and 47) the two CPR limit switches.
The weight shown on the scale display
(optional) is incorrect.
• Zero the bed without the patient in it (see
the "Scale System Usage" section in the
Operations Manual).
• Calibrate the scale (see page 41).
Scale display (optional) reads OVERLOAD or
shows incorrect weight.
• The weight present on the bed is superior
to the scale capacity, which is 500 lb (227
kg). If the patient weight is superior to 500
lb (227 kg), do not use the scale.
If not the case, zero the scale after having
removed the patient from the bed. This
situation often results from equipment
added to the bed without using the
add/remove equipment procedure (see the
Operations Manual). The weight of this
equipment is then added to the patient's
weight.
• One or more load cell cable not properly
connected or completely disconnected from
the scale control board (see figure 4.3E,
page 38 for the connecting positions of the
load cell cable).
Angle shown on the scale display (optional) is
incorrect
• Calibrate the scale (see page 41).
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