Step-Hear CALL HEAR IDU, User Manual, Page: 15 / 19

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TROUBLESHOOTING & SAFETY
The Indoor Unit (IDU) will not flash or make a
sound

Ensure the batteries are not flat

Ensure the batteries are inserted correctly

Ensure the Call Unit (ODU) and Indoor Unit (IDU)
have been paired correctly

Ensure the Indoor Unit (IDU) is not out of range

Ensure the Indoor Unit (IDU) is switched on
The Indoor Unit (IDU) will flash but does not
make a sound

Increase the volume using the volume control
switch
General Safety
Use the correct size batteries
Do not open the unit. Contact the helpline for all repairs.
Cleaning Safety
Clean the units with a soft cloth. Never use polishes or
cleaning agents - they could damage the finish or the
electrics inside.
Environmental Safety
Always ensure there is a free flow of air over the
surfaces of the IDU.
Do not expose your product to fire or other hazardous
conditions.
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