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Sub-Zero Ice Makers

Sub-Zero DEU1550I

Model # DEU1550I

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Sub-Zero ice makers repair

The DEU1550I is a current-production 15″ Designer undercounter ice maker, panel ready to take a custom cabinetry front.

Water standing in the bottom of the storage bin is the issue reported most on a DEU1550I, usually a drain that’s partially blocked rather than the ice-making cycle itself. A unit running constantly without ever completing a freeze cycle, and production falling away gradually over weeks, are the other common calls, both worth checking against the water supply and filter.

Key Features

  • 15" Designer undercounter ice maker, panel ready
  • Current generation, still in current production
  • Parts and service documentation are more readily available for a current model than for the legacy series — the same holds for the DEU1550I.

Most Common Issues on This Model

01

Water standing in the bottom of the storage bin

02

Unit running constantly without completing a freeze cycle

03

Production falling away over weeks rather than stopping outright

Error Codes Common to This Model

40-8-01

Sub-Zero Classic (current) Error Code 40-8-01

Own This Model? Book a Diagnosis.

Have the model number to hand when you book, so the technician arrives knowing which parts this model uses and where it usually fails.

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FAQ

Sub-Zero DEU1550I FAQ

That’s usually a partially blocked drain rather than an ice-making problem — worth checking before assuming the freeze cycle has failed.

Start with the water supply and filter; gradual decline over weeks often points there before the freeze cycle itself.

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