Cleaning The Rain Sensor - HomeMatic Wettersensor – pro HmIP-SWO-PR Bedienungsanleitung

Maintenance and cleaning
example) on a regular basis. If you have reason to
believe that it is no longer safe to operate the de-
vice, put it out of service. Remove the battery pack
to safeguard the device against unintentional op-
eration.
Safe operation may no longer be possible if the device:
• shows signs of external damage,
• no longer functions,
• has been stored under unfavourable conditions
or
• has been exposed to severe transport conditions.
If not used for any length of time (e.g. when in
storage), remove the batteries to avoid damages
caused by leaking, etc.
10.2

Cleaning the rain sensor

Depending on the location, leaves, dirt particles trans-
ported by the wind, sand, branches, etc., may get into the
rain sensor's (A) collecting funnel (B). Larger items may
block the flow of rainwater. Sand can also accumulate in
the counter rocker: as the amount increases, this caus-
es the measurement results to be less accurate. Conse-
quently, the rain sensor must be cleaned from time to
time; this must be done at least once a year, however.
• Loosen the collecting funnel of the rain sensor by
slightly turning it clockwise and lift it off.
66