How to Reset an AcuRite Weather Station

On this page (9 sections)

1. How do you reset an AcuRite weather station safely?
2. In what order should you put the batteries back?
3. Why does the display lose the sensor after a reset?
4. How do you pair the display with the outdoor sensor?
5. What should you do if the reset doesn't work?
6. How do you keep the station running after a reset?
7. How do you reset a Wi-Fi AcuRite station?
8. What else should you know before resetting?
9. Final word on how to reset my AcuRite weather station

To reset an AcuRite weather station, pull the batteries from the display and the outdoor sensor, wait a minute, then power the sensor first and the display second. The display hunts for the sensor's radio signal and links again, and your readings return.

That is the whole reset in most cases. No buttons, no cable and no factory menu are needed on the common wireless models.

The steps below cover what to do when it works and what to try when the display still shows dashes.

How do you reset an AcuRite weather station safely?

Take the batteries out of both units and let the display sit empty for about a minute. This clears the display's memory so it starts a fresh search for the outdoor sensor instead of clinging to a weak connection.

Do the job indoors if you can, or on a dry day if the sensor is mounted on a pole. Switch off the display and unplug its power cord if your model uses one.

Lift out the AA cells from the display's back compartment and set them aside.

Then open the battery door on the outdoor sensor and remove its cells. Wait a full minute so both units lose their stored state.

Don't press random buttons during the pause, since that can confuse the display's pairing routine.

While the batteries are out, look over the contacts for corrosion or moisture. A little green or white crust on a spring explains many resets that never seem to hold.

In what order should you put the batteries back?

Fit the outdoor sensor's batteries first, then the display's. The display needs a live signal to find when its search begins, so the sensor should already be transmitting.

1. Put fresh batteries into the outdoor sensor and close its cover.
2. Wait a minute or two so the sensor settles into its broadcast cycle.
3. Fit the display's batteries and close the compartment.
4. Let the display run its search without touching any buttons.
5. Confirm that outdoor temperature and wind readings appear within a few minutes.

The display usually finds the sensor quickly when the two units are near each other. If the screen stays blank in the outdoor fields, move the display closer for the first pairing, then return it to its normal spot.

Why does the display lose the sensor after a reset?

A weak battery in either unit is the most common cause. The 433 MHz radio link needs steady power, and a fading cell can drop packets without the screen ever warning you.

Other causes are simple to check:

• Distance and walls. Each wall or metal surface between the units weakens the signal. Keep the sensor within the range your model states and in line of sight where possible.
• Metal and foil. A sensor against metal siding or a foil-backed wall loses reach. Shift it a few feet away from the obstruction.
• Cold weather. Alkaline cells lose power in the cold. The AcuRite Iris 01512 is rated down to 32 °F, so winter mornings are when a weak cell shows first.
• Interference. Cordless phones, garage openers and some smart home radios share the band. Move the display away from them.

If the signal drops on cold mornings and returns by noon, the sensor batteries are the culprit, not the station. Swap them and reset once more.

How do you pair the display with the outdoor sensor?

Fit fresh batteries in the sensor first and leave it close to the display while the display searches. The display looks for a signal for a few minutes when it powers up, so this is the moment to pair.

Set the two units on the same table and keep them a few feet apart. Fit the sensor's batteries and let it run.

Then fit the display's batteries and leave the screen alone.

The outdoor temperature and wind fields fill in when the link is made. If the display has a pairing or "search" button, press it once and wait rather than pressing it repeatedly.

Once paired, move the sensor to its mounting spot. If the readings survive the move, the link is solid.

If they vanish at the new spot, the location is the problem, so try a different side of the house or a spot higher on the pole.

The Iris 01512 shows indoor and outdoor temperature and humidity, wind speed and direction, pressure and rainfall on one color display. Its reset follows the battery-out, sensor-first routine above.

What should you do if the reset doesn't work?

Try the reset a second time with brand new batteries in both units and the two units close together. Most failed resets trace back to a cell that looked fine but had little power left.

Work through these in order:

• Check the battery type. Use the AA size and count your model asks for. Mixing old and new cells in the same compartment shortens their life.
• Clean the contacts. A pencil eraser takes light corrosion off the springs and plates.
• Reset with the units indoors. Pairing through a wall during setup often fails, so do it on the kitchen table.
• Watch for the search screen. If the display never shows its search, the display's own power is the issue, so check the cord and adapter on corded models.
• Test the sensor. A sensor that shows no LED or no transmit sign after fresh batteries needs replacing.

If the display still shows dashes after all this, the problem is usually the sensor rather than the display. Replace the sensor before buying a whole new station.

How do you keep the station running after a reset?

Replace the outdoor sensor batteries about once a year, before winter. That single habit prevents most of the lost-signal resets people run into.

Keep the rain gauge clear of leaves and the wind cups free to spin. Check the sensor's mounting bracket after storms so it hasn't twisted or loosened.

A sensor that swings in the wind reports odd directions and speeds.

Clean the display's screen with a soft dry cloth and keep it out of direct sun if you can. The color screen on the Iris models dims with its adjustable dimmer, which also helps in a dark room.

If you run more than one station or plan to add one, the same battery-first habit applies. Our comparison of the AcuRite Atlas vs Iris covers how the two lines differ, and the how to reset a La Crosse weather station guide follows a similar routine for that brand.

How do you reset a Wi-Fi AcuRite station?

Power-cycle the display and sensor the same way, then reconnect to Wi-Fi in the display's settings. The wireless link to Weather Underground is separate from the radio link to the sensor, so a lost Wi-Fi connection doesn't mean the station is broken.

The AcuRite Iris 01540M uploads your readings to Weather Underground and shares them with more than 250,000 personal weather stations. Its reset starts with the batteries, just like the simpler models.

After the display and sensor reconnect, open the Wi-Fi setup and enter your network details again if the connection didn't restore itself. Keep the router within reach during setup.

Once the station is back online, your station's page should update with fresh data.

If the uploads stop but the display shows correct readings, the Wi-Fi side needs attention, not the sensor. Reset the display once and rejoin the network before assuming the unit has failed.

What else should you know before resetting?

Note your rainfall total and any records you want to keep, because a full reset clears them. The display's stored high and low readings start over, which matters if you track a season's rainfall.

A few practical points round out the job:

• Mounting stays put. You don't need to climb the pole. The sensor's batteries are usually reachable from the bracket.
• Reset is not the same as calibration. Pressure and forecast learning restarts after a reset. The Iris 01512 runs its barometer through a learning period before its forecast settles, so expect the first days to be less precise.
• Write down the date. A note on the battery cover reminds you when the cells were last changed.

If you own a different brand, our Ambient Weather station and Sainlogic weather station guides cover their setup routines. Both use the same battery-out, sensor-first approach.

Final word on how to reset my AcuRite weather station

Reset the station by pulling both battery sets, waiting a minute, and powering the outdoor sensor before the display. That clears the old pairing and starts a clean search.

Do it with fresh batteries and the units near each other for the best result.

If a reset fixes the link but the signal keeps dropping, replace the outdoor sensor's batteries with lithium cells before winter. A yearly change is the cheapest way to keep your backyard readings flowing and your forecast on track.

When the readings look off after a reset, give the station a couple of weeks to settle its pressure learning before you judge the forecast.

For station owners comparing models before buying, the AcuRite Atlas vs Iris breakdown shows which line suits a backyard setup and which one adds Wi-Fi uploads.

Frequently asked questions

Does resetting erase my history and rainfall totals?

Yes. A full power cycle clears the display's stored readings, so rainfall totals and high and low records start fresh.

Note the numbers you want to keep first, then let the display collect new readings after the sensor reconnects.

Why does my display keep losing the sensor signal?

Weak batteries are the usual cause. Fit fresh batteries in the outdoor sensor first and check that the display sits close to the sensor during pairing.

Metal siding, thick walls and long distance all shorten the 433 MHz radio range.

How long should I wait before putting the display batteries back in?

About 60 seconds is enough for the display's memory to clear. Let the outdoor sensor run for a minute or two before you fit the display batteries, so the display finds a signal when its search starts.

What do I do if the display still shows dashes after the reset?

Move the display closer to the sensor for a short trial and fit new batteries in both units. Press the display's pairing button if your model has one.

Dashes mean no signal, not a broken station.

How often should I replace the outdoor sensor batteries?

Plan on fresh AA batteries once a year, or more often in cold winters. Lithium cells keep their power in sub-zero weather, so the sensor keeps transmitting when alkaline cells fade.