Instrumentarium Datex D-VNC15 Manual page 95

Impedance Respiration
Datex AS/3 M-ESTPR/ESTR/ETPR
Service Manual
TROUBLE CAUSE TREATMENT
No resp trace
Waveform not selected on
the screen
Module not plugged in
correctly
Press the Monitor Setup key
and make adjustments
Plug in
Unacceptable resp
waveform
Poor electrode or poor
electrode skin contact
Poor electrode condition
Improper site of
electrodes
Improper skin
preparation
Electrodes from different
manufacturers are used. Too
much/little gel is used.
Electrodes are dried out.
Check that electrodes are
not placed over bones,
active muscles, layers of fat.
Remove body hair. Clean
attachment site carefully
with alcohol.
Message: SMALL RESP
CURVE
Respiration signal is very
small
With 3-lead cable try
another lead connection I, II,
II or try 5-lead cable.
Message: APNEA
ALARM, and respiration
waveform normal
Respiration source is CO,
Check respiration source
and change it to correct one.
Part II-ESTPR-39