Optional Sera Tm Abris Pass-Checker - Interacoustics Sera Additional Information

Optional Sera
TM
Problem
Cannot pass
impedance for one
or more electrodes.
Excessive artifacts
are observed during
the measurement.
Test does not pass
in one or both ears.
D-0114042-D – 2020/03
Sera™ - Additional Information
ABRIS pass-checker
Explanation
Electrode lead wire is not
fully attached to the
preamplifier or to the Pass-
Checker.
Electrode lead wire has a
short in the wire which may
lead to intermittent contact.
Connection of preamplifier
cable to the Sera
TM
transducer connector is not
secure.
Electrode lead wire has a
short in the wire which may
lead to intermittent contact.
Connection of insert
earphone cable into the
preamplifier cable jack is
not secure.
Insert earphone cable is
not securely attached to
the transducer box.
Insert earphone adapter is
occluded with debris or is
cracked; more likely to
occur with the clear Ear tip
adapter.
Tubing of insert earphone
is crimped shut or has a
tear in the tube.
Insert earphone cable has
a short in the cable.
Low battery on the Pass-
Checker? Is the LED
flickering?
Solution
Check cable connections at the preamplifier cable
jack and on the Pass-Checker and try again.
Replace the electrode lead wire with a new one (you
may need to replace more than one of the electrode
wires).
Check the connection of the preamplifier cable to
the Sera ; remove it and re-insert it verifying that it
TM
is securely attached.
Replace the electrode lead wire with a new one (you
may need to replace more than one of the electrode
wires).
Check the connection of the insert earphone
connector into the preamplifier; remove it and re-
insert it verifying that it is securely attached.
Check the connection of the insert earphone cable
to the red and blue transducer boxes.
Clean the adapter using the Infant Ear Tip Cleaning
kit brush. Or replace the adapter with a new one.
Make sure the tubes are free of any crimping or
compression; replace the tube with a new one if
damaged.
Replace the insert earphone cable with a new one.
Contact an authorized technician to arrange to
change the battery on the Pass-Checker. We
recommend annual battery change at the time of
calibration of your Sera device.
TM
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