Troubleshooting
Charger lights
Problem
Recommended Action
No lights
Hearing aid is not inserted into
the charger correctly or the
charger is not powered.
Remove hearing aid(s) and replace in
correct orientation. Verify USB cable is
properly connected to USB wall adapter.
Verify USB wall adapter is functional by
plugging in another USB device.
One or both lights solid red Battery won’t charge.
Verify hearing aid battery is a ZPower
rechargeable battery.
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 care professional if any problem persists.
Make sure the rechargeable batteries are inserted correctly (gold side up).
