8
9
Cause
Possible remedy
No charger lights
Hearing aid is not
inserted into the
charging base correctly
Remove hearing aid(s)
and replace in correct
orientation
Charging base is not
powered
Verify USB cable is properly
connected to USB wall
adapter.
Verify USB wall adapter is
functional by plugging in
another USB device
Hearing instrument does
not have a rechargeable
battery cell
Verify rechargeable battery
cell is installed in the
hearing instrument
Charging base contacts
are obstructed
Ensure charging contacts
are free from debris
One or both lights solid red
Battery won’t charge
Verify hearing aid battery
is the proper rechargeable
battery
Troubleshooting guide
Cause
Possible remedy
Both lights flashing red
Temperature is out
of range. Charging
is paused until
temperature is in range
Move charger to an
environment between 50°F
(10°C) and 104°F (40°C)
Consult your hearing healthcare professional if any
problem persists.
Technical Data
Specifications for the charging base
Operating temperature ......................10°C (50°F) to 40°C (104°F)
Storage temperature .........................-10°C (14°F) to 50°C (122°F)
Humidity ..................................................................20% to 75%
Protection against ingress of water ......................IPX0 (ordinary)
Minimum air pressure .......................................................11 kPa
USB wall adapter input voltage ...............................100-240V AC
USB wall adapter output voltage .......................................5V DC
USB wall adapter output current ........................................> 0.5A
USB wall adapter: Kuantech KSAS0050500100-VUU (-VKU, -VEU)
Protection against electric shock .....................................Class II
