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Sound is distorted or intermittent
- Open and close the battery door (or for the PRO, Flick on/off switch back and forth), in case dust or lint has collected in the hearing aid.
- Check the battery contacts to be sure they are not corroded.
- If the hearing aid was exposed to a humid environment, sweat or other moisture may be clogging the aid and distorting sounds. Consider using a hearing aid dehumidifier overnight and try again.
- Lower the volume.
- Replace the battery with a fresh one.
- Check the tubing for debris or ear wax or for signs of wear. Replace the tubing if it appears stiff, bent, cracked, or frayed.