Aercus WS1093 Guide D'utilisation page 17

Trouble Shooting
Problem
I am not receiving any outside data.
My wind speed appears to be under
reporting.
My rain gauge is under reporting
rainfall or not recording it at all.
My rain gauge is over reporting
rainfall.
Solution
Check that batteries in both units are fresh and fully charged.
Alkaline batteries slow down and freeze in colder temperatures
which leads to signal dropouts so we recommend Lithium
batteries in colder climates. Also avoid rechargeable batteries as
many are 1.2V (standard 1.5V required) and they also leak their
peak charge quickly even if they are 1.5V.
Put the batteries in the receiver last to force a proper resync.
Check that the transmitter is not out of range. Test this by taking
the receiver closer to the transmitter, remove and reinsert the
batteries and wait for a few minutes to see whether the signal is
picked up.
Check for sources of interference (cordless phones, baby monitors,
PC monitors etc). If this is an issue the console and/or
transmitter will need to be relocated.
If none of these is causing the problem you may have a faulty
transmitter.
When set to Average, wind speed is measured as the average
speed recorded over the 48 second period between transmissions.
In gusty weather this can appear as though it is under reading.
Set this to Gust (see Wind section above) to view the maximum
wind speed during each 48 second period.
Remove the cover from the rain gauge and check for spider webs
etc that may be impeding the tipper's motion. Tip the tipper
back and forth, each tip should register as 0.3mm on the console if
it is operating correctly (remember the transmission interval is
every 48 seconds so allow sufficient time for the console to
register the tips).
On rare occasions wind can enter the rain gauge from underneath
and cause the rain gauge's tipper mechanism to tip and register
false rain readings. In this case mount the rain gauge on a flat
surface or mount a plastic plate under the rain gauge to prevent
the wind entering. Insecurely mounted sensor trees can also
sway in strong winds and cause false rain readings.
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WS1093