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Start here

Choose how you want to start

Start with the safe homeowner check. If the problem remains, Home Helper sends you directly to the matching advanced diagnostic path.

Advanced diagnosticsAirflow verification, system-off preparation, and qualified diagnostic paths behind the required waiver.

This guide never provides live probe placement, capacitor discharge, refrigerant charging, or safety-bypass instructions.

Basic symptom check

What is your system doing?

Pick the closest symptom. You will see one question or one check at a time, with Back, Next, progress, and Start Over controls.

1Choose the symptomStart with what you can see, hear, or feel.
2Answer one questionEach answer opens only the next relevant check.
3Fix it or stop safelyGet a clear result and know when service is needed.