3 troubleshooting, 5 maintenance and troubleshooting, Problem cause solution – Invacare MA90Z User Manual
Page 35
5 MAINTENANCE AND TROUBLESHOOTING
35
5.3
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 mal-
function
Send control unit back to factory for
repair
No air, pump or blower 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 power
and turn it On
Power outage
Wait till the power source has power
Blown fuse
Replace blown fuse with an equivalent
fuse