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Guided Diagnostics
5-10 min · 11 steps

R-290 Case Condenser Fan Not Running

Diagnose a self-contained R-290 (propane) case where the condenser fan has stopped or slowed, driving up head pressure and warming the case.

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First step

With power OFF (LOTO), does the fan blade spin freely by hand?

No — blade is jammed or seized
Yes — spins freely

This is a preview of the first step. Run the full interactive diagnostic free — it walks you all the way to the likely root cause.

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For qualified refrigeration technicians. Always follow manufacturer procedures and local codes. R-290 (propane) and other flammable refrigerants require A3-rated tools and safety practices.