--- title: "Use Atlas for troubleshooting with Field Pro in mobile" slug: "use-atlas-for-troubleshooting-with-field-pro-in-mobile-2" tags: ["Area - Field Mobile App (FMA)", "Area - ST Mobile (Legacy)", "Focus - Service Replacement", "Role - Technician", "Type - Commercial", "Type - Residential"] updated: 2026-05-07T17:52:39Z published: 2026-05-07T17:52:39Z --- > ## Documentation Index > Fetch the complete documentation index at: https://help.servicetitan.com/llms.txt > Use this file to discover all available pages before exploring further. # Use Atlas for troubleshooting with Field Pro in mobile ## Overview Use Atlas for troubleshooting with Field Pro in mobile to diagnose equipment issues, identify likely causes, and follow guided repair steps, all from the job page. --- ### #### Who uses this feature - Technicians - Primarily for Residential Service and Commercial Service business types #### Feature configuration - Account configuration, [office setup for Field Pro](/v1/docs/field-pro), and [office setup for Atlas in Field Pro](/v1/docs/enable-atlas-in-field-pro-for-technicians) are required to use this feature. Please contact your office for details. - This feature requires Field Pro Standard. ## Things to know - **Data and privacy:** Atlas is powered by [Titan Intelligence (TI)](/v1/docs/titan-intelligence-overview). It may generate inaccurate, incomplete, or outdated responses. Verify details before acting and don’t treat it as professional advice. Your conversations may be stored to improve the service. Avoid sharing sensitive information. By using Atlas, you agree to use this feature responsibly, and further acknowledge and agree that any data collected will be used in accordance with our [Privacy Policy](https://www.servicetitan.com/legal/privacy-policy) and may be shared with third-party service providers. - You can access *Troubleshooting* from *Atlas* in both ServiceTitan Mobile and the ServiceTitan Field Mobile App. - Supported trades today: - *Commercial HVAC* - *Residential HVAC* - *Plumbing.* - You can ask about one make or model at a time. - Answers include cited sources so you can verify the information. - Unsupported equipment is marked with a red triangle. You can still ask questions or search similar models, but documentation will not be available. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/use-atlas-for-troubleshooting-with-field-pro-in-mobile-image-a30tuz3w.png) - In the Field Mobile app, you can tap Ask Atlas directly from the equipment screen. If you [add equipment using Optical Character Recognition (OCR)](/v1/docs/add-equipment-quickly-to-a-service-location), the equipment model is automatically preselected for you.![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/use-atlas-for-equipment-information-with-field-pro-in-mobile-image-lqt97hva.png) ## Use Atlas in Field Pro for troubleshooting > [!TIP] > **Tip:**The Information in ServiceTitan module is in the same Atlas screen, just as before. For more, see [Use Atlas in mobile](/v1/docs/use-atlas-in-mobile). 1. Open a job. 2. Tap ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/icon-atlas-gradient.png) **Ask Atlas**. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/use-atlas-for-troubleshooting-with-field-pro-in-mobile-image-67wauazl.png) 3. On the*Atlas*screen that opens, tap **Troubleshooting**. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/use-atlas-for-troubleshooting-with-field-pro-in-mobile-image-cugev0kb.png) 4. Select the equipment using one of the following methods: 1. **Method 1:**From the location’s equipment list: 1. Tap **Location Equipment** to view all equipment installed at the job location, then select the unit you need. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/use-atlas-for-troubleshooting-with-field-pro-in-mobile-image-ek8a5v20.png) 2. Tap **Submit.** 2. **Method 2:**By typing the model number: 1. Tap the **Model Number** dropdown, ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/use-atlas-for-troubleshooting-with-field-pro-in-mobile-image-grcfechv.png) 2. **Type at least 4 characters,** then select the matching model from the suggestions. > [!TIP] > **Tip:**When searching for an equipment model, enter at least 4 characters in the Model Number field. The full model number is not required. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/use-atlas-for-troubleshooting-with-field-pro-in-mobile-image-vuusyyyg.png) 3. *(Optional)* From the **Manufacturer** and **Model Line** dropdown fields, select manufacturer and model line to narrow results. 4. Tap**Submit.** 5. In the *Ask Atlas* field, enter your question and tap **Send**. For examples of troubleshooting questions, see [Troubleshooting questions to ask in Atlas.](/v1/docs/use-atlas-for-troubleshooting-with-field-pro-in-mobile#troubleshooting-questions-to-ask-in-atlas)![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/use-atlas-for-troubleshooting-with-field-pro-in-mobile-image-2k5p350c.png) 6. Tap **Back**![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/icon-keyboard-arrow-left.png)to open another module in Atlas or return to the job page. ![](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/use-atlas-for-troubleshooting-with-field-pro-in-mobile-image-v49x46hm.png) ## Troubleshooting questions to ask in Atlas Here are some examples of troubleshooting questions you can ask Atlas in Field Pro: - How do I change the fan speed? - How do I test static pressure? - Why would the blower not start? - Why are the heat strips not heating? - How can I diagnose a bad ECM? - How do I diagnose the TXV? - Why is the compressor not running? - Why is the fan motor not running? - How can I validate a bad control board? - How can I diagnose a bad compressor valve? - What would cause water to blow off the coil? - How can I test the high-limit switch? ## Best practices for using Atlas in Field Pro on mobile Follow these tips to get better answers with Atlas in Field Pro: - **Ask about one unit at a time:** If you need details for a different make or model, return to equipment selection and choose the new unit. - **Use full terms, not abbreviations:** For example, type *condenser fan motor* instead of just *motor***.** - **Include context in your question:** Add temps, operating conditions, or error codes so Atlas can return a complete answer. - For example: *What is the normal refrigerant pressure for this model at 70°F ambient?*instead of *What should the pressure be?* - **Double-check model numbers:** If a unit shows as *unsupported*, there may be a typo. Try searching manually to locate the correct equipment. - **Know what to expect with unsupported equipment:** You can still ask questions, but responses may be less accurate and downloadable documentation may not be available. > [!TIP] > **Tip:**The list of supported equipment is expanding regularly, check again if something you need isn’t available yet. ## Want to learn more? - See [Use Atlas for equipment information with Field Pro in mobile](/v1/docs/use-atlas-for-equipment-information-with-field-pro-in-mobile) - See [Use Atlas for calculators and diagnostic tests with Field Pro in mobile](/v1/docs/calculators-and-diagnostic-tests-in-atlas) - See [Use Atlas to find replacement parts with Field Pro in mobile](/v1/docs/use-atlas-to-find-replacement-parts-with-field-pro-in-mobile)**