Vital Signs Monitor Service Manual Troubleshooting
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7.7 Alarm Failures
No audio alarm is
activated.
① Audio alarm is temporarily
disabled.
② Speaker and its connecting
wire have failure.
① Switch on the audio alarm.
② Replace the speaker or the wire.
The alarm indicator
stays off.
Alarm indicator has failure.
Replace the alarm indicator board.
No audio alarm or
visual alarm is
activated.
7.8 Parameter Failures
NIBP function
communication stops.
① Bad connection between the
parameter board and main
control board.
② NIBP module function of
parameter board has failure.
③ Main control board failure.
① Check the connection
between boards.
② Replace the parameter board.
③ Replace the main control
board.
NIBP cuff can not be
inflated.
Airway is folded or has leakage.
Adjust or repair the airway.
Blood pressure can not
be measured
occasionally.
Cuff becomes loose or patient is
moving.
Keep the patient quiet; bind the
cuff correctly and safely.
Great error in NIBP
measurement.
① Cuff size does not fit the
patient.
② Parameter board failure.
① Use the cuff of appropriate
size.
② Replace the parameter board.
SpO
2
function
communication stops.
① Bad connection between
parameter board and main
control board.
① Check the connection
between boards.
② Replace the parameter board.