Activeforever Invacare microAIR Lateral Alternating Pressure Mattress & Compressor (microAIR Mattress with Compressor 36 x 80 x 15) - Manual (Page 25)

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