---
title: ACT Help Center
description: ACT Help Center
---

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 ACT Help Center

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### [Altistat Controller Instructions Simple Instructions for Altistats installed from 2023 to current](https://help.altitudecontrol.com/altistat-controller-instructions?hsLang=en)

### [Altitude Underperformance The system won't get to its targeted altitude.](https://help.altitudecontrol.com/altitude-underperformance?hsLang=en)

### [Controller Screen Went Dark Use these instructions to turn your controller back on.](https://help.altitudecontrol.com/controller-screen-went-dark?hsLang=en)

### [Timers & Scheduling Instructions to set up timers for installations prior to 2023](https://help.altitudecontrol.com/timers-scheduling?hsLang=en)

### [Mobile Access How to use the system from your mobile device](https://help.altitudecontrol.com/mobile-access?hsLang=en)

### [Contact Us Contact information for the Customer Service Team](https://help.altitudecontrol.com/contact-us?hsLang=en)

### [Billing & Payment Payment instructions and accounting contact information](https://help.altitudecontrol.com/billing-payment?hsLang=en)

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