Invacare MA55 User Manual

SECTION 3—MAINTENANCE AND TROUBLESHOOTING

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 control unit back to factory for

repair

Not alternating, solenoid malfunction

Send control unit back to factory for

repair

No air, pump malfunction

Send unit for repair

No power

Control unit off

Check power source and turn on unit

Power cord disconnected

Connect power cord to the power

source

No power in the power source

Check power source has power and

turn it On

Power outage

Wait till the power source has power

Blown fuse

Replace blown fuse with an equivalent

fuse