AmpliVox Otowave 302, Руководство по эксплуатации

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TROUBLESHOOTING
37
D-0115696-C (OM038)
– Otowave 302 Operating Manual
5. TROUBLESHOOTING
If a fault condition cannot be cleared, the operator is cautioned against repeatedly starting the instrument.
Please note: Refer to the installation & operating instructions provided with the NOAH Impedance Module
or ampliSuite software for details of the data transfer operation and errors that may occur.
PROBLEM CAUSE SOLUTION(S)
No pressure can be build up
and the test sequence will stay
in the
EQUALIZE PRESSURE
SCREEN .

No seal can be obtained

Estimated volume is too high
(perforated ear drum)

Wrong ear tip size chosen

Probe is blocked

Examine the probe tip for
contamination and clean or
replace the probe tip

Reposition the probe

Change the ear tip
No reflex test is conducted after
the tympanometry even though
the reflex test is active in the
REFLEX SEQUENCE.
In REFLEX SELECTION the
configuration is set to ONLY IF
PEAK IS FOUND or NEVER
MEASURE.
Change settings in REFLEX
SELECTION to desired option.
Last measured data cannot be
found under
VIEW THE LAST
TEST .
NEW TEST might have been
selected in between and thereby
deleted the last test(s) from the
short-term memory. To be stored data should be
stored immediately.
BLOCKED PROBE
Indicator LED b and c flash fast.

Probe is blocked

Probe placed against ear
canal skin

Probe disconnected from
base unit

Examine the probe tip for
contamination and clean or
replace the probe tip

Reposition the probe

Change the ear tip

Check probe connection with
base unit
WITHDRAW PROBE
Indicator LED b and c flash fast.

The probe has been moved
during measurement.

Test has been started with
the probe already inserted
into the ear.
Reposition the probe
Volume outside range
WITHDRAW PROBE
Indicator LED b and c flash fast.

Ear canal volume is > 5ml.

Probe is not properly
inserted into the ear.
Reposition the probe
Pressure lost
WITHDRAW PROBE
Indicator LED b and c flash fast.
Ear seal has been broken while
testing for seal.
Reposition the probe
Measurement timed out
Indicator LED b and c flash fast.

Occurs when the ear seal
check is set to EXTENDED

Pump failed to achieve the
starting pressure within 4 s.

Pressure failed to reach -400
daPa within 12 s.
Reposition the probe. Retry the
test. If the problem persists,
contact your Amplivox service
centre.
VOLUME OUTSIDE RANGE
Indicator LED b and c flash.
Probe not placed correctly in ear
canal. Reposition probe.
PROBE NOT CLEAR
Indicator LED c steady light.

Probe is blocked

Probe placed incorrectly

Check that the probe is not
inserted into a test cavity at
start-up.

Please ensure the probe is not
blocked or obstructed.