Maintenance And Care - HumanTechnik lisa Bedienungsanleitung

13. Maintenance and care

In order to ensure the operational reliability of the detector, accor-
ding to DIN EN 14676 servicing has to be carried out at least once
a year. Proceed as follows:
1. Remove dust from the detector with a soft cloth if necessary.
2. Remove dirt with a damp cloth if necessary.
Do not use any detergents.
3. Press the test button and compare the result to:
Audible alarm LED
Test signal*
(3 audible alarms)
Off
Off
Off
* According to the standard DIN EN 14604, audible signalling is sufficient.
Cause
3x with Smoke detector test
audible alarm positive
every 48 sec. Service forecast < 15
months, detector is still
ready for operation
every 48 sec. Weak battery
Off Detector defective
What needs to be done?
No action required
Change smoke
detector as
soon as possible
See table 9.4
Replace smoke de-
tector immediately.
EN
55