26
Warning
The control unit is not to be opened – risk of electrocution.
Symptoms Indications Actions
Power Failure • Amber ‘power
failure’ light flashes.
• Audible signal
sounds.
• Screen extinguishes.
If mains plug, cable or outer casing is visibly damaged
turn off at the mains and contact your approved
service engineer.
1. Turn off the control unit to silence the alarm and
turn off the mains supply (Note, the mute button
does not silence the power failure indication).
2. Check the mains cable is fully connected to the
control unit and plugged into a wall socket.
3. Switch on at the wall (to ensure the socket is
working plug in a fused device that is known to
work).
4. Turn on the control unit.
If control unit still fails to operate:
5. Turn off the control unit at the wall.
6. Replace the mains plug fuse – See section 13 for
fuse types.
7. Turn on the control unit.
If control unit still fails to operate turn off at the mains
and contact your approved service provider.
Incomplete
inflation / Low
pressure
• Audible signal
sounds.
• Screen shows:
Warning!
***LOW PRESSURE***
1. Ensure the mattress air connector is correctly
connected to the control unit.
2. Ensure the CPR dial is closed and there is no air
leakage.
3. Turn the unit off and then on again to clear the
indicator.
If a ‘low pressure’ indicator continues to illuminate:
4. Open the mattress and ensure there is no air
leakage within the mattress – cells, tubing and
connectors.
5. Turn the unit off and then on again to clear the
indicator.
If a low pressure indicator is still evident turn off at the
mains and contact your approved service provider.
11. TROUBLESHOOTING