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roll up fire ladders and stools without adult help. Make sure
they know what to do if the alarm goes off.
10.2 Limitations of Radio Frequency Signals
Ei Electronics radio communication systems are very reliable
and are tested to high standards. However, due to their low
transmitting power and limited range (required by regulatory
bodies) there are some limitations to be considered:
(i) Receivers may be blocked by radio signals occurring on or near
their operating frequencies, regardless of the house coding.
(ii) Radio transceiver equipment, such as the Ei 3100RF / Ei
3105RF should be tested regularly at least weekly. This is
to determine, whether there are sources of interference
preventing communication, that the radio paths have not
been disrupted by moving furniture or renovations, and so
generally protect against these and other faults.
The Ei 3100RF / Ei 3105RF Transceiver has been tested to
EN 300 220-1 V1.3.1 (200-09) in accordance with the require-
ments of EN 300 220V1.1.1 (2000-09). These tests are
designed to provide reasonable protection against harmful
interference in residential installations. This equipment gener-
ates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may
cause harmful interference to radio and television reception.
However, there is no guarantee that interference will not occur
in a particular installation. If this device does cause such inter-
ference, which can be verified by turning the device on and off
(by removing the battery) the user is encouraged to eliminate
the interference by one or more of the following measures:
(i) Re-orientate or re-locate the unit.
(ii) Increase the distance between the Ei 3100RF / Ei 3105RF
and the device being affected.
(iii) Consult the supplier or an experienced radio/television
technician.
11. GETTING YOUR SMOKE ALARM SERVICED
If your Smoke Alarm fails to work after you have read the sec-
tions on “Installing your Smoke Alarms”, “Testing and
Maintaining your Smoke Alarm” and Troubleshooting your
Smoke Alarms”, then contact Customer Assistance at the
nearest address given at the end of this leaflet. If it needs to
be returned for repair or replacement put it in a padded box
with the battery disconnected.
Send it to “Customer Assistance and Information” at the near-
est address given on the Smoke Alarm or in this leaflet. State
the nature of the fault, where the Smoke Alarm was pur-
chased and the date of purchase.