Alarm Conditions - Delfi P.T.S. Operator And Maintenance Manual

2.8

ALARM CONDITIONS

There are a number of conditions for which the P.T.S. will produce visual and audible alarms. Those conditions, indications and appropriate actions are
shown in Table 2.1. The appropriate actions indicated are based on the most probable causes and should only be used as a guide. Other causes of
alarm conditions may indicate a need for other actions.
Condition Description
High The unit has detected
Pressure high pressure in the
above set cuff. High pressure is
point defined as pressure
that is +15mmHg
above the pressure set
point continuously for
more than 1 second.
Low The unit has detected
Pressure low pressure in the cuff.
below set Low pressure is defined
point as pressure that is
15mmHg below the
pressure set point
continuously for more
than 1 second.
Table 2.1: Alarm Conditions
Message
Alarm Pressure
display
tone display
(steady)
PRESSURE Constant Current
HIGH cuff
pressure,
flashing
PRESSURE Constant Current
LOW cuff
pressure,
flashing
Action to silence
Time
alarm tone for 30
display
seconds
Normal Momentarily Press
'PRESSURE + ',
'PRESSURE – ',
'TIME + ', or
'TIME – '.
Normal Momentarily Press
'PRESSURE + ',
'PRESSURE – ',
'TIME + ', or
'TIME – '.
Action required to correct
alarm condition
Press and hold 'PRESSURE + '
to adjust set pressure to within
15mmHg of sensed pressure
OR
Press and hold 'DEFLATE' for 2
seconds to deflate the cuff.
Alarm will stop automatically
whenever the unit can regulate
the cuff to within 15 mmHg of the
pressure set point.
Press and hold 'PRESSURE – '
to adjust set pressure to within
15mmHg of sensed pressure
OR
Press and hold 'DEFLATE' for 2
seconds to deflate the cuff.
Alarm will stop automatically
whenever the unit can regulate
the cuff to within 15 mmHg of the
pressure set point.