Service manual

6. MAINTENANCE
6.6 Service Manual BSM-4100
Maintenance Check Items and Schedule
Perform this maintenance check once every six months.
A maintenance check sheet is provided at the end of this section. Make a copy of
this check sheet before using it. The check items are grouped as follows:
• External
• Input conditions
• Operation
• Display
• Recorder
• Vital sign parameters
• Power
• Data backup
• Safety
• Others
Following are the procedures for each check item.
External
Item Check Procedure Action
Dirt, stain or crack Check that there is no dirt, stain and
crack on the instrument.
If the instrument is dirty, clean it with a cloth
moistened with water, neutral soap or alcohol. If
the instrument has stain or crack, remove it or
replace the stained or cracked part with a new one.
Damaged switch or key
top cover
Check that there are no physically
damaged switches and key top covers.
If any switch or key top cover is damaged, replace
it with a new one.
Input Conditions
Item Check Procedure Action
Contact between input socket
on the instrument and
connector of connection cord
Check that there is good contact
between the input socket and
connector of the connection cord.
Remove the cause if there is a poor contact
between them.
Input socket on the
instrument or connector of
connection cord
Visually check that there is no
damaged input socket and connector.
If the input socket or connector is
damaged, replace it with a new one.
Electrode lead wire or
connection cord
Visually check that there is no damage
of the lead wire and connection cord.
If the electrode lead wire or connection
cord has a damage, replace it with a new
one.