Service manual

6. MAINTENANCE
6.8 Service Manual BSM-4100
Vital Sign Parameters
Item Check Procedure Action
Waveform and numeric
data
Check that ECG, respiration, blood
pressure waveforms, their parameters and
temperature data are displayed correctly
and QRS synchronous sound is generated
when connecting AX-800P vital sign
simulator to the instrument.
If there is anything wrong, check the
connection between the AX-800P and
instrument and remove the cause.
SpO
2
and NIBP
Check that the displays of SpO
2 and NIBP
parameters are acceptable when applying
the SpO
2
probe and NIBP cuff to a healthy
person or yourself.
If there is a big difference, check the
connection between the healthy person and
instrument and remove the cause.
NIBP check
Check that there is no error on the screen
when performing the NIBP checks on the
Manual Check Menu screen.
Remove the cause if an error occurs.
Multi-parameter socket
function
Check that the connection cord is
recognized and the related parameter is
displayed when connecting the connection
cord to the socket.
If the socket has no function, plug the
connection cord into the other multi-
parameter sockets and check which one is
wrong, connection cord or instrument.
Zero balance of IBP
Check that the blood pressure transducer is
zero balanced when connecting the
transducer to the instrument through the
IBP connection cord and pressing
“ ZERO” key on the screen.
If the transducer is still imbalanced after
zeroing, connect the transducer to the other
multi-parameter sockets and check which
one is wrong, transducer or instrument.
Alarm function
Check that the alarm mark appears on the
screen, the alarm indicator works, and the
alarm sounds when an alarm occurs.
If there is anything wrong, check the
corresponding part.
Transducer
Check that the specified sensor and
transducer are used.
If the unspecified sensor or transducer is
used, replace it with the specified one.
Power
Item Check Procedure Action
Power cord Check that the power cord does not have any
damage, poor continuity, heat, sound or smell
while bending each part of the power cord.
If the power cord has a malfunction,
replace it with a new one.
Ground lead
Check that the ground lead has no damage and
no poor continuity while bending each part of
the ground lead.
If the ground lead has a malfunction,
replace it with a new one.
Fuse
Check that the specified fuses are used and not
blown.
If the fuse is blown, replace it with a new
one after removing the cause.
Power indicator
check
Check that the power indicators such as the
power lamp, AC power lamp and battery power
lamp works properly.
Remove the cause if there is anything
wrong.