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Troubleshooting
Problem Possible Solution
No outdoor sensor
reception
no bars
• Relocate the display unit and/or the 3-in-1 sensor.
The units must be within 330 ft (100 m) of each other.
• Make sure both units are placed at least 3 feet (.9 m)
away from electronics that may interfere with the wireless
communication (such as TVs, microwaves, computers, etc).
• Use standard alkaline batteries (or lithium batteries in
sensor when temperature is below -4ºF/-20ºC). Do not use
heavy duty or rechargeable batteries. NOTE: It may take
up to 20 minutes for display unit and sensor to synchronize
after batteries are replaced.
• Synchronize the units:
1. Bring both the sensor and display unit indoors and
remove at least one battery from each.
2. Make sure the A-B-C switch on both units match.
3. Reinstall the battery in the outdoor sensor.
4. Reinstall battery into the display unit.
5. Let the units sit within a couple feet of each other for
about 20 minutes to gain a strong connection.
Outdoor
temperature
is ashing or
showing dashes
Flashing of the outdoor temperature may be an indication of
wireless interference.
• Make sure the A-B-C switch in the battery compartments of
both the display unit and sensor are switched to the same
letter. You may choose A, B or C; but both units must match
to sync up.
Inaccurate forecast
• Weather Forecast icon predicts conditions for the next 12
to 24 hours, not current conditions.
• Has Learning Mode icon disappeared from the display
unit? Learning Mode must complete before forecast and
pressure will be accurate.
• Allow unit to run continuously for 33 days. Battery removal
or resetting the display unit will restart Learning Mode.
After 14 days, forecast should be fairly accurate, however
Learning Mode calibrates for a total of 33 days.
Inaccurate
temperature or
humidity
• Make sure both the display unit and 3-in-1 sensor are
placed away from any heat sources or vents (see page 9).
• Make sure both units are positioned away from moisture
sources (see page 9).
• Make sure 3-in-1 sensor is mounted at least 5 ft off of
the ground.