TROUBlESHOOTINg gUIDE
SymPTOm
No sound
Not loud
enough
Whistles
Sound not clear • Weak battery
or distorted
If there are any other problems not mentioned in this
guide, please contact your hearing care professional.
28
CAUSE
• Not turned on
• Dead battery
• Battery improperly inserted
• Blocked ear mould or tube
• Blocked sound outlet filter
• Loose ear mould
• Blocked ear mould or dome
• Change in hearing
• Excessive ear wax
• Blocked sound outlet filter
• Volume set too low
• Loose ear mould
• DFS needs re-initialization
• Poorly fitting ear mould or dome
• Hearing instrument damaged
• Hearing instrument settings
not optimal