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17
troubleshooting
Alarm LED
AC power failure
1. Press the Alarm Mute button to silence the audible
alarm.
2. Check the power cord is firmly plugged into the
mains outlet and the Control Unit; and check the
mains power is switched on.
3. Check the Control Unit fuse (1 AMP) – fuse can be
released using a screwdriver to push and turn.
+ audible alarm
Patient is sinking or
‘bottoming out’
whilst lying flat
on the Mattress
The pressure maybe
set too low for the
patient’s weight
1. Increase the pressure setting by pressing up the
Pressure arrow.
2. To check effective system performance, conduct a
‘bottoming out’ test as described on page 12.
NOTE:
If the problem is not resolved, please contact
an authorised Novis Healthcare Service Centre.
alarm/fault
display
solution
Alarm LED
Pressure too high
1. Reset the alarm – turn off Power and press the
Alarm Mute button.
2. Detach the handle from Control Unit to reduce
pressure – reconnect when pressure
has decreased.
3. Check for twists in the air hoses between Mattress
and Control Unit.
4. Switch on Power.
+ audible alarm
Alarm LED
Alternating
Mode Failure
(no alternation)
1. Reset the alarm – turn off Power and press the
Alarm Mute button.
2. Disconnect the air hoses to reduce pressure –
reconnect when pressure
has decreased.
+ audible alarm
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