User guide

SECTION 3—MAINTENANCE AND TROUBLESHOOTING
Part No 1148139 25 MA90 and MA95 Series Mattresses
Changing the Filter
NOTE:Forthisprocedure,refertoFIGURE 3.1onpage 25.
Cleanthefilterevery5monthsorwheneveritisdirty.
1. Removethetwoscrewssecuringthefiltercovertothebackofthecontrolunit.
2. Removethefilter.
3. Washthefilterwithwaterandamilddetergent.
4. Drythefiltercompletely.
5. Installthefilterintothebackofthecontrolunit.
6. Securethefiltercovertothebackofthecontrolunitusingthetwoscrews.
FIGURE 3.1 Changing the Filter
Troubleshooting
PROBLEM CAUSE SOLUTION
Mattress not inflating
Not alternating properly
Mattress hose disconnected Connect hose connectors and lock
them in place
Air hose kinked or split Unkink hose or replace split hose
Major leak in the air cushions or
overlay pad
Replace leaking air cushions or
overlay pad
Kinked or split manifold Unkink manifold or replace split
manifold
Has power and fuse is good, control
unit does not come on
Send unit back for repair
Not alternating, solenoid or valve
malfunction
Send control unit back to factory for
repair
No air, pump or blower malfunction. Send unit for repair
Filter Cover
Screws