7
ENGLISH
Troubleshooting
Type of fault
Action
The door transmitter
gives a false alarm.
Someone in the vicinity has the same system
installed. Change to another channel on all units.
Receiver fails to respond. 1. Check the range. Try to reduce the distance
between the door transmitter and the receiver or
install a Repeater to extend the range.
2. Check that the receiver’s battery is OK.
Cleaning and maintenance
Use a damp cloth to wipe it on the outside. Never use cleaning products
or solvents.
The battery will last approx. 5 years. Refer to page 5 for how to change
the battery.
Repairs
If your product malfunctions, it must be repaired by a qualified technician.
Do not attempt to open the case of the device since this would invalidate the
warranty. If your product requires service, please contact your hearing care
professional for assistance.
Waste disposal
This product contains electrical or electronic equipment and should be
disposed of carefully in the interests of your safety and the environment.
Please contact your local hearing care professional concerning disposal
of the product.
General precautions
• Low-energy radiation (eg from burglar alarms, room surveillance systems,
radio equipment, mobile telephones) will not damage the device. They could,
however, momentarily affect the sound quality or create noise in the device.
• Warning: External devices connected to the product must be safe according
the requirements of EN 60601-1-1, EN 60335-1 or EN 60065,
as appropriate.
