Troubleshooting guide

Troubleshooting Kit
30
Presented Complaints:
No sound/intermittent sound (help messages H1, H2, H3, H4)
•
Check that the batteries are correctly inserted.
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Turn the sound processor off and then on.
•
Change the batteries (ensure that all of the batteries are changed).
•
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.
•
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).
•
Check using the lapel microphone. Determine whether
the sound improves.
•
Disconnect the lapel microphone and remove the microphone cover.
Determine whether the sound improves.
•
Replace the microphone cover, if the sound does not improve.
•
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
•
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.
•
Shows a slow flash rate as a low battery warning.
•
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.