Troubleshooting guide

Help message H4 = sound/stimulation error
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Turn processor ‘OFF’ then ‘ON’.
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Check sensitivity is above ‘0’.
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After removing the coil, check/change microphone protector cover.
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Check/change coil.
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Try using the lapel microphone. To use: turn off processor, lift rubber
cover on the "shoe" portion of the cable, insert lapel microphone and
turn processor back on.
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Change the processing unit (use backup processing unit).
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Contact the child’s cochlear implant clinician.
Help message H5 = MAP corrupt
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Try another program location.
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Use back-up processing unit.
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Contact the child’s cochlear implant clinician.
Help message H6 = Implant ID error
(incorrect implant detected by your processor)
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Check that the processor is on the correct ear.
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Remove any other sound processors from the area (the radio frequency
signal from the transmitting coil may be interfering), or turn them off.
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If you are sure the processors are on the correct ears and you still see
H6 on one or both screens as you look while both are on the
child’s head, contact his or her cochlear implant clinician.
Presented Complaints:
No sound/intermittent sound (help messages H1, H2, H3, H4, H6)
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Ensure processor is on the correct implant.
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Check that the batteries are correctly inserted.
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Turn the sound processor off and then on.
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Change the batteries (ensure that all of the batteries are changed).
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Check using the lapel microphone.
•
Check that the coil is fully inserted in the processing unit socket
(and correctly located above the Implant).
•
Change the coil.
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Change the bodyworn controller (can also try the BTE controller).
•
Change the processing unit (use back-up processing unit or contact the
child’s cochlear implant clinician).
Sound unclear/muffled
•
Check the LCD for help message (H4 = see steps 2 – 5,
H5 = contact your clinician).
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Check using the lapel microphone. Determine whether
the sound improves.
•
Disconnect the lapel microphone and replace the microphone cover.
Determine whether the sound improves.
•
Replace the processing unit (use back-up processing unit or contact the
child’s cochlear implant clinician).
LCD blank (but sound OK)
•
Change the bodyworn controller (return the suspected faulty controller).
Sounds uncomfortably loud
•
Check settings as prescribed by audiologist.
•
Contact the child’s cochlear implant audiologist.
Indicator light
When the indicator light is turned on, it:
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Flickers when incoming sounds are being received.
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Shows a slow flash rate as a low battery warning.
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Shows a fast flash rate for all other warnings e.g. the coil
is off its position over the implant, or there is a sound error
(help message H4).
•
To stop the alarm, push any button.
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