Troubleshooting - Invacare MicroAIR MA50 User Manual

5 MAINTENANCE AND TROUBLESHOOTING
5.2

Troubleshooting

PROBLEM
Mattress not inflating
Not alternating properly
No power
Invacare® MA50 Series
CAUSE
Mattress hose disconnected
Air hose kinked or split
Major leak in the air cushions or overlay pad
Kinked or split manifold
Has power and fuse is good, control unit does not
come on
Not alternating, solenoid malfunction
No air, pump malfunction
Control unit off
Power cord disconnected
No power in the power source
Power outage
Blown fuse
SOLUTION
Connect hose connectors and lock them in
place
Unkink hose or replace split hose
Replace leaking air cushions or overlay pad
Unkink manifold or replace split manifold
Send control unit back to factory for repair
Send control unit back to factory for repair
Send unit for repair
Check power source and turn on unit
Connect power cord to the power source
Check power source has power and turn it
On
Wait till the power source has power
Replace blown fuse with an equivalent fuse
32
Part No 1148136