| Symptom | Possible causes | Solutions |
| Whistling or squealing noise while device is being worn | Hearing device or earmould not inserted correctly | Re-insert your hearing device |
| Ear wax blocking the ear canal | Have your ear canal examined |
| Earmould tubing split | Contact Australian Hearing or your provider |
| Earmould or in-the-ear device too loose | Contact Australian Hearing or your provider |
| No sound | Device not turned on | Check the battery holder is fully closed and the device switched on |
| Dead battery | Replace battery with a new one |
| Device in 'T' position | Switch to 'M' position |
| Tubing blocked with wax or moisture | Remove wax or moisture from tubing - see your provider if problem persists |
| Weak sound | Volume too soft | Adjust volume control |
| Moisture or wax partially blocking the tubing | Remove wax or moisture from tubing - see your provider if problem persists |
| Change in your hearing | Contact Australian Hearing or your provider for a hearing test |
| Intermittent sound | Dirty or corroded battery contacts | Return your device to Australian Hearing or your provider |