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Troubleshooting, Care and maintenance
Troubleshooting
Test: If the CO alarm does not react after a functional test has been performed, first
check that the batteries are inserted correctly (polarity).
If the detector does not react to a new function test even after this, please contact
your dealer.
Weak batteries: If the CO alarm signals low battery performance, replace the
batteries immediately, at the latest within 7 days. Only use 1,5 V brand alkaline AA
batteries of the same type.
Malfunction: If the CO alarm registers a sensor error, the complete alarm must be
replaced - the sensor cannot be replaced!
The end of sensor lifespan: The lifespan of the electrochemical sensor is 10 years.
If the end of the lifespan is reached, the complete alarm must be replaced
immediately!
Care and maintenance
Cleaning
· Dusty detectors must be cleaned. You can clean dust from the air vents
of the detector using a vacuum cleaner or compressed air.
· If necessary, you can remove the dust with a brush.
· You can clean the surface using a cloth slightly dampened in soapy water.
· Do not allow water to penetrate inside the device!
· Do not clean the device in a dishwasher!
· Do not use sharp, pointed, abrasive, caustic or corrosive cleaning
materials or hard brushes!
· Do not use chemicals. The following substances can impair sensor
function and trigger false alarms: Methane, propane, isobutane,
isopropanol, ethylene glycol, benzene, toluene, ethyl acetate, hydrogen
sulphide, sulphur dioxide, products with an alcohol base, dyes,
thinners, solvents, adhesives, hairsprays and cleaning products.
– 36 –
· Do not use flammable liquids for cleaning the alarm!
Maintenance
· The electrochemical sensor is subject to ageing. The sensor lifespan is
thereby limited to 10 years.
· The sensor cannot be exchanged. For this reason, replace the entire
device 10 years after the date of its installation at the latest. (See label
on the rear side of the alarm).
Manufacture date
There is a 21-digit bar code on the back of the alarm from which the date of manu-
facture and the software version of the alarm can be derived.
Positions 11, 12 and 21 of the bar code are relevant here:
Position 11 - [Year of manufacture]
2019
2020
2021
J
K
L
Position 12 - [Month of manufacture]
Jan
Feb
Mar
Apr
May
1
2
3
4
5
Position 21 - [Software version]
B
C
D
V1.1.5
V1.1.6
V1.1.7
Care and maintenance, Manufacture date
2022
...
M
...
Jun
Jul
Aug
Sep
Oct
Nov
6
7
8
9
A
B
...
...
– 37 –
GB
Dec
C
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