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All diagnostic labs
Intermediate Commercial cuber ice machine (Manitowoc / Hoshizaki / Scotsman style) ~11 min4 decision steps

Ice Machine Not Producing

A restaurant cuber runs, has water, and shows no fault — but drops no ice. Watch a full cycle, split water-side from harvest and refrigeration, then prove it before you quote a part.

Scenario briefing

The call

A restaurant reports their commercial cuber is running but producing no ice. The unit powers on, the indicators look normal, water is present in the trough, and the walk-in is fine — they are buying bagged ice twice a day.

There is no hard error code. At most there is a generic clean or long-cycle notice on the display, which crews usually ignore for months.

On commercial ice, the boring answer is usually the right one: scale and water distribution starve the evaporator long before a sealed system fails. Watch a full cycle before you touch a single component.

Scenario photo
Interior of a commercial cuber with the front panel off — water trough and float valve, distribution tube over the evaporator, and the water curtain in view

Step 0 · Required

Safety Gate

Confirm every item below before the diagnostic area unlocks. This mirrors the pre-work checklist you owe every customer.

0 of 5 confirmed.

Step 1 · First checks

Locked

Diagnostic decision

You are in front of the machine with the manager watching. What do you do first?

Complete the safety gate to continue.

Component view

Commercial cuber — water circuit and heat rejection

Locked

Interactive schematic coming in the next release

Select a component above to read what it does and how it fails on this call.

Progress

Step 1 of 4

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