MDM/992043/10/120121
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11.
Expected battery life
When running on DC power only, a fully charged unit should be able to perform the
following number of bi-lateral 30 minute procedures at 300mmHg;
35* times with battery indicator displaying green
A further 15* times with battery indicator displaying amber
Once the battery indicator begins displaying red the device should only be used while
remaining connected to the mains supply.
* Based on well-maintained battery.
12.
Maintenance
12.1.
Daily
Ensure that O rings, cuffs and associated hoses are in good condition before use. Those
that are damaged or worn should be replaced.
CAUTION: Before use, ensure the device’s functions operate correctly. Also
visually inspect the device for any loose or damaged parts. If the device’s
performance or mode of operation changes from that specified or required
the device should be taken out of service immediately. If after checking O
rings, cuffs and associated hoses are in good condition the AT4 is still not
operating as expected then request maintenance before returning the device
to clinical use.
If there is any sign of damage or a change in performance the device should be taken out
of clinical use and maintenance requested.
If the battery indicator of the electrically powered AT4 shows amber connect
it to the mains electrical supply as soon as possible. If the indicator shows red connect to
the mains electrical supply immediately. Green shows normal operating conditions
The spanner symbol with an amber or red indicator requires investigation. If
the indicator is not cleared by replacing leaking cuffs hoses and O rings and
then restarting the AT4 a service should be requested
12.2.
Recurrent (Periodic) Testing
CAUTION: In line with the MHRA Device Bulletin DB2006(5), maintenance
work should only be conducted by suitably trained personnel following
manufacturer’s guidelines and approved parts.
It is recommended that the device is serviced, electrically safety tested and the
performance and accuracy confirmed on an annual basis in accordance with the
manufacturer’s service schedule and EN IEC 62353:2007.
The electrically powered AT4 contains a lead acid battery pack which will require to be
replaced every two years. The device is class I electrical safety with a protective earth, it is
NOT classified as an applied part.
When requesting service ensure that both the Ref No and the Serial No are quoted. The
Serial and Reference Numbers are located on a label on the rear of the device.
13.
Product Warranty
The product, when new, is guaranteed to be free from defects in materials and
workmanship and to perform in accordance with the manufacturer’s specification for a
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