SECTION 4—MAINTENANCE AND TROUBLESHOOTING
25
Inspection, Cleaning, Maintenance and Test Intervals
The mattress is deflating or has low
pressure even though the pump is working.
Check the mattress connections on the side of the pump housings;
check the connector tubes for kinks, crimps or damage.
Patient’s body is sagging in the middle or
bottoming out.
Increase the comfort setting by turning the control knob to a
firmer setting. Adjust the control knob and wait three minutes
before making another change so that pressures can stabilize.
Ensure range switch is adjusted properly. Refer to Range Switch on
Patient is experiencing pain from the
mattress.
Decrease the comfort control setting by turning the control knob
to a softer setting. Adjust the control knob and wait three minutes
before making another change so that pressures can stabilize. Wait
until patient’s body starts to sag in the middle, then adjust the
control knob slightly firmer to bring the patient’s body level.
Pump turns off although the power light is
still on.
Pump gets hot.
Check the connector tube(s) and mattress manifold(s) for
restricted air flow or blockage. Clean the air filter, if necessary.
Clear blankets, bed sheets or paper away from the back of the
pump. Be sure the air flow into the pump and mattress is clear.
Controls lock up or “freeze”; won’t accept
any inputs.
Turn pump off and unplug the pump. Wait a few seconds and plug
the pump back in. Turn on the pump.
Check the air filter on the back of the pump.
TIME INTERVAL
DESCRIPTION OF THE REQUIRED ACTIVITY
When Soiled
Launder the therapy pad.
168 hours (One week of continuous
operation)
Wipe down the therapy pad, air hoses and power unit.
670 hours (Four weeks of continuous
operation)
Clean the therapy pad.
Inspect the air hose connections and mattress assembly function
Inspect the power unit and power cord.
Replace/clean the air filter.
Between Users
Launder the therapy pad.
Perform general physical inspection of the mattress, air hoses,
power unit and power cord.
Perform electrical line leakage test.
Perform electrical ground integrity test.
Annually or after 8000 hours of operation
(whichever comes first)
Launder the therapy pad.
Perform general physical inspection of the mattress, air hoses,
power unit and power cord.
Perform electrical line leakage test.
Perform electrical ground integrity test.
Check for loose hardware or physical damage which might affect
operation or safety.
SYMPTOM
SOLUTION
Summary of Contents for microAIR 3500S
Page 29: ...APPENDIX 29 MicroAIR 3500S NOTES...
