There may be a temporary loss of communication due
to signal quality issues caused by electrical
interference or other location related factors
(obstacles along line of sight).
To troubleshoot, install a fresh set of batteries in the
remote sensor and console. For cold weather
environments, install lithium batteries.
If problems remain with fresh batteries, ensure power
adapter is not too close to the console, and the
console is not close to other electrical noise
generating devices such as TVs, monitors, computers
and transmitting devices.
If you still have intermittent problems move sensor
and console closer together, but not closer than 5 ft.
Also check that there are no metal barriers like
aluminum siding, or metal wall framing, along the
line of sight between sensor and console. Relocate
sensor and console as necessary to avoid obstacles.
Depending on natural barriers you may also have to
move the outdoor sensor higher and/or closer.
Make sure the thermo-hygrometer is mounted in an
indoor area where it will not be exposed to direct
sunlight, or radiative heating, or convective heating.
During installation testing it is useful to test with both
console and outdoor unit in the same room. Allow up
to one hour for the sensors to stabilize and adjust to
room temperature. The indoor and outdoor
temperature sensors should agree within 4 °F (the
sensor accuracy is ± 2 °F).
If these values still disagree, use calibration offsets
for one or both sensors (see section 5.3.1) to adjust to
a known good reference temperature.
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