Outdoor ice merchandiser freezer with an ICE sign on top

Generic photo: Athena Sandrini · Pexels License

Commercial cuber long freeze or long harvest alarm

Long freeze usually means poor heat rejection or water problems; long harvest usually means scale or harvest components. Do the safe checks; refrigeration work goes to an EPA 608-certified tech.

Cross-checked ~60 min moderateBrands: Hoshizaki, Scotsman

Before you start

Unplug the unit (or shut off the breaker) before removing panels or touching wiring.
Never open or recharge the sealed refrigerant system: compressor replacement, leaks and refrigerant work go to an EPA 608-certified technician.

Diagnostic steps

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

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