Honeywell TE821W user manual Maintenance, Troubleshooting

Maintenance

Changing Batteries

The battery status of each weather sensor is checked every hour. If the low battery indicator lights up, replace the batteries in the corresponding unit.

Changing Batteries in the Main Unit

•First connect the AC/DC adaptor provided to the main unit to avoid losing any data.

•Remove the battery compartment door at the back and replace all batteries. Do not mix old and new batteries.

•Replace the battery compartment door.

Changing Remote Sensor Batteries

•Replace the batteries following the setup instructions for the corresponding sensor.

•When the batteries are properly installed, the remote sensor will resume sending signals to the main unit.

•To enforce an immediate remote signals search, press and hold DOWN arrow button for 4-5 seconds on the main unit.

Cleaning

The main unit and remote sensor casings can be cleaned with a damp cloth. Small parts can be cleaned with a cotton tip or pipe-cleaner. Never use abrasive cleaning agents and solvents. Do not immerse units with electronic parts under water.

Anemometer

Assure that wind vane and wind cups spin freely and are free from dirt, debris and spider webs.

Rain Gauge

Checking and cleaning the rain sensor in a timely manner will maintain an accuracy of the precipitation measurements.

•Remove the protective screen and lid.

•Clean with soapy water and a damp cloth, removing dirt, leaves or debris

•Clean small holes and parts with Q-tips or pipe-cleaner.

•Clean the swinging mechanism with a damp cloth.

Troubleshooting

Q: “The display shows dashes “---” for weather parameter(s)”

A: The display will show “- - -” when the wireless connection with the remote sensor is lost for the following periods: 27