21
P09588, Rev. 6 CO # 1848
TROUBLESHOOTING GUIDE
Technical Service: (800) 888-6752
system appears to be
underinflated, overinflated, or
stuck in a lateral rotation/
alternating pressure inflation
pattern (two air cylinders
inflated, two cylinders deflated).
Powered control unit was
disconnected from mattress in
mid-cycle, without first resetting
the system via the “disconnect”
function.
Attach powered control unit and perform resetting function to
return system to ideal, non-powered inflation level. See page
10.
System will not power up.
Note:
Always plug power supply into
properly grounded receptacle.
The system is not plugged in. Plug power cord into wall receptacle.
There is no power at outlet. Restore power.
Power cord is damaged. Call for service.
Blown fuse. Call for service.
Patient not rotating /alternating
properly.
System is not turned ON. Plug power cord into wall receptacle.
Patient not centered on mattress. Reposition the patient.
Patient has severe contractures.
Rotating can be difficult to observe in patients with severe
contractures. Observe someone without contractures lying on
the bed for 30 minutes (approximately 2 cycles) to confirm
turning is functioning properly.
Head of bed is elevated or knees
are gatched.
The degree of patient turn achieved is reduced with elevation of
the head of the bed or gatching of the knees . If HOB must be
elevated, alternating pressure is the more appropriate mode.
Patient exceeds weight limit.
Call Span-America for assistance with product selection.
Mattress not inflating or patient
reports a feeling of “sinking”
into surface.
Control unit is not turned on. Turn control unit on.
Airlines not connected.
Ensure secure connection of airlines at control unit and
mattress.
Airlines or quick disconnect
connectors are damaged.
Call for replacement.
Head of bed elevated.
Lower head of bed and allow air to equalize. Return head of bed
to elevated position that is comfortable for patient.
Defective control unit (mattress
fills without patient, sinks with
Call for service.
Low pressure indicator
illuminated.
Airlines not connected.
Disconnect and reconnect airlines to verify they have all locked
into place.
Airlines or quick disconnect
connectors are damaged.
Call for replacement.
Leaking inflation system.
Call for replacement. To replace, turn mattress upside down
and unzip cover. Remove inflation system, install new system,
zip cover and restore mattress to upright position.
electronic equipment/devices in
surrounding area.
Electromagnetic interference
caused by the unintentional
emission of electromagnetic waves
of energy. These waves are
transmitted through the air at
various frequencies which may
produce interference such as
abnormal functioning to nearby
electronic equipment.
Determine if emissions are causing the interference by turning
the equipment off and on. If the interference in the affected
device subsides when control unit is off, proceed with the
following steps.
a) Reorient or relocate the affected device.
b) Increase the distance between the equipment.
c) Connect the equipment into an outlet on a circuit
different than that of the affected device.
d) Consult the field service technician or manufacturer of
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