Troubleshooting Guide - Unitron Insera B1-312 User Manual

Keep dry
This symbol confers that the electromagnetic
interference from the device is under limits
approved by the US Federal Communications
Commission.
IP Rating = Ingress Protection Rating. IP68
rating indicates that the hearing aid is water
and dust resistant. It survived continuous
immersion in 1 meter of water for 60 minutes
and 8 hours in a dust chamber as per the IEC
60529 standard
This symbol indicates that it is important for the
user to pay attention to the relevant warning
notices related to batteries in these user guides.
Symbols applicable to the European power supply only
Power supply with double isolation
Device designed for indoor use only.
Safety isolating transformer, short circuit
proof
46

21. Troubleshooting guide

Cause
Issue: No sound, hearing aid not functioning
Not turned on
Low/dead battery
Poor battery contact
Battery upside down
Hearing aids blocked
with ear wax
Possible remedy
Turn on
Replace battery
Consult your hearing
healthcare professional
Insert battery plus (+) side
up
See "Care and
maintenance." Consult
your hearing healthcare
professional
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