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3 troubleshooting, 5 maintenance and troubleshooting, Problem cause solution – Invacare MA90Z User Manual

Page 35

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5 MAINTENANCE AND TROUBLESHOOTING

Part No 1148139

35

Invacare

®

MA90Z Series Mattresses

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

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