What if my controller goes offline?

Rest Assured - Rachio has your back!

Most connectivity issues you might see are normal behavior; the Rachio controller's Wi-Fi features hinge on the reliability of:

  1. Your internet service provider (ISP)
  2. Your in-home router and/or access point.

However, unless the device goes offline for an extended period of time, you won't experience any loss in functionality your controller. In situations of more lengthy disconnects, we send out email and push notifications to letting you know your controller has been offline for 24 hours and needs to be power cycled (unplugged and plugged back in).

Tip

Is your controller offline? Our new in-app help tool makes Wi-Fi troubleshooting a breeze! Tap the red "Offline" banner at the top of the Home screen for automatic troubleshooting help. Follow the prompts in the app to identify what's wrong and how to quickly fix it. Need additional help? Check out this article to get back online!

On-Board Schedule Memory

If for some reason the Rachio doesn't reconnect to the Wi-Fi, the controller will continue to run the last schedule it saved until it can reconnect. The controller utilizes EEPROM (persistent memory), so the last saved schedule(s) are stored on the controller itself.

So please rest assured - if your Rachio controller loses connectivity with your Wi-Fi, it will always continue to water using the last saved schedule. Any updates/changes made to these watering schedules will automatically upload to the controller the next time it reconnects with the Rachio cloud (internet).

Note

If you are running Flex schedules, the Rachio controller will not run the last saved schedule, as they are dynamic. Instead, we will create a two week schedule based on the forecast for the upcoming two weeks. After the controller has been offline for that two week period, it will then revert to a Rachio-supplied default watering schedule until the controller gets back online. Then, we will send the controller a new schedule based off of your Flex Daily schedule selections.

Battery Backup

The controller does have a battery backup, but it's not used to maintain a schedule; instead, it's used to maintain an internal clock so that when the controller comes back online, it can resume running your schedules correctly, before syncing with the Rachio cloud.

Keeping track of waterings while offline 

Even when your controller is offline, it will still continue recording watering events and keeping track of which zones are watered when (and with how much water). Each watering event will be cached on the controller and then combined with your watering history once the controller comes back online.

Note

If your controller comes back online after an extended period of time, the water usage displayed in your history may be much higher than expected. No need to be alarmed! This is because the controller aggregates all of the cached watering events and reports them at one time; your controller is still watering normally. Want to double check your water usage? You can view or download your historical usage.

Total Blackout?

Should you lose power to your home, the system will not run because there is no way to power the solenoid valves without electricity (24VAC). When power is restored to your home, the Rachio controller will automatically reconnect to your Wi-Fi network.

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