SONAPHONE
®
E
Operating Manual – Revision: 2.4 | 2020-11-17
Page 62 of 66
10 Troubleshooting and self-help in case of
errors
Not every malfunction must be an actual defect in the equipment. You
save time and money if you can eliminate simple causes of faults yourself.
The following information should help you:
Fault
Possible cause
Remedy
Device cannot be
switched on
Batteries are empty
Insert fresh batteries
No acoustic signal
detectable
Volume control set too
low
Probe is not connected
properly
Headphones are not
connected properly
Unit switched off
automatically
Defective probe
Adjust volume
Put in the plug
completely
Put in the plug
completely
Switch unit on again
Check with another
probe