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Troubleshooting Kit

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Presented Complaints:

 

No sound/intermittent sound (help messages H1, H2, H3, H4)

  •  

Check that the batteries are correctly inserted.

  •  

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:

 

•  

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.

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