Ambulatory Blood Pressure Monitor 90217 Service Manual
5-2
EC48 Pulse pressure is less than historical pulse pressure minus 20 and many pulses
failed either screen or failed match.
EC50 No non-discarded entries at higher cuff pressures but within 16 mmHg of diastole.
EC52 Kinked hose.
EC55 Unexpected loss of power. User may have turned power switch OFF during a
reading.
EC58 Diastole is less than historical diastole minus 15 and many pulses failed either
screen or failed match.
EC62 Loose cuff. Reached 25 mmHg but not target pressure. Cuff may not be attached.
EC69 Too few entries to calculate heart rate.
EC70 Excessive motion at highest cuff pressures.
EC79 Partially clogged bleed line. All blood pressure attempts are inhibited. Attempts can
be enabled by turning power switch OFF then ON again.
EC80 Pulse pressure too small. Many pulses failed either the screening or the matching
criteria and one of the following: (a) there is an oscillometric entry at a cuff pressure
higher than systole whose amplitude is above the level defining systole, suggesting
that systole might be higher; (b) there is an oscillometric entry at cuff pressure below
diastole whose amplitude is above the level defining diastole, suggesting that
diastole might be lower.
EC85 Bad clock.
EC90 Excessive motion throughout the measurement. Three out of five entries were
rejected.
EC95 Cuff pressure baseline out of bounds. Initializing the monitor resets the cuff
pressure.
EC99 Unexpected or Contradictory Data.
The following codes may also appear on the monitor display:
LLL Main batteries (3 AA cells) are low and do not have sufficient power to operate the
pump and complete a measurement. No retry attempt is made following an LLL
message.
FULL The monitor contains 240 readings and cannot store any more.
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