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TROUBLESHOOTING GUIDE
SYMPTOM
CAUSE
No sound
• Not turned on
• Dead battery
• Battery improperly inserted
• Blocked ear mould or tube
• Blocked sound outlet filter
Not loud
• Loose ear mould
enough
• Blocked ear mould or dome
• Change in hearing
• Excessive ear wax
• Blocked sound outlet filter
• Volume set too low
Whistles
• Loose ear mould
• DFS needs re-initialization
Sound not clear
• Weak battery
or distorted
• Poorly fitting ear mould or dome
• Hearing instrument damaged
• Hearing instrument settings not optimal
If you experience additional problems not addressed in this
guide, please contact your hearing care professional.
POSSIBLE REMEDY
• Turn on
• Replace battery
• Insert battery properly
• Clean ear mould or tube blockage
• Change filter or consult your hearing care professional
• Reinsert carefully
• Clean ear mould or dome
• Consult your hearing care professional
• Consult your physician
• Change filter or consult your hearing care professional
• Consult your hearing care professional
• Remove and reinsert
• Consult your hearing care professional
• Replace battery
• Consult your hearing care professional
• Consult your hearing care professional
• Consult your hearing care professional
Содержание ES70-DVI
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