This page defines the functional scope, recommended troubleshooting order, and support boundary for the app. It is suitable for App Store support landing use.
For more stable field results, use the app as a workflow tool instead of relying on a single isolated page.
Identify the brand, model family, refrigerant, and symptom class before using fault codes, references, or diagnosis flows.
Use actual measured values such as pressure, temperature, current, or voltage to get field-reference results on the relevant calculator page.
Complete service records and exports after the field action is confirmed, so the workflow does not interrupt urgent diagnosis steps.
The support page explains app function and recommended usage only. It does not replace official manufacturer service documents, after-sales policies, or formal safety training.