• The low battery symbol for the wireless sensor shows that the batteries need changing for
the channel number shown.
• When you change the batteries all the settings are lost.
• Always exchange all batteries and only use those listed in the ‘Technical Data’.
• Even if the base unit is being powered by the power mains, you should still remove any
empty batteries present from the base unit.
• Make sure that the poles of the batteries are correct (+/-) when inserting.
• Clean the battery and device contacts if necessary before inserting.
• Dispose of the old batteries in an environmentally manner
.
Troubleshooting
Problem
Possible cause and remedy
Display
screen
not
working.
Check the batteries in main unit are inserted or power
adaptor is plugged in correctly
The temperature from the
sensor seems to be too
high.
- Check if the sensor is exposed to direct sunlight.
The display shows HH,
LL, HH.H or LL.L instead
of measured values for
temperature or humidity.
- The values are above or below the measuring range, see
Technical Data.
* Indoor temperature: Below 14.2°F,
“LL.L” will display; Over
122°F,
“HH.H” will display.
* Indoor humidity: Below 1%,
“1%” will display; Over 99%,
“99%” will display.
The base unit is not
receiving any signal from
the wireless sensor.
- Make sure that there are no electrical sources of
disturbance near the wireless sensor or the base unit.
- Check the batteries in the sensor.
- Start the search for the wireless sensor manually: Press
and hold the
CHANNEL
button on the base unit until the
display for the weather information flashes
- Move the base unit closer to the sensor or vice versa.
The display is illegible, the
function is not clear or the
values are clearly wrong.
- Reset the device to the factory settings