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Sub Zero Classic Series Refrigerator Error Codes

Find plain-language explanations for Sub ZeroClassic Series Refrigerator error codes, common causes, and troubleshooting steps you can try before requesting repair service.

3 error codes currently available
44 9 43
The dispenser secondary heater was not detected.
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dO Or
The refrigerator or freezer door has remained open for more than five minutes.
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EC 50
The refrigerator compressor has been running excessively.
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Manufacturer information

ApplianceSignal troubleshooting information is based on manufacturer support documentation and rewritten in plain language.

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All Sub-Zero Classic Series Refrigerator Error Codes

Browse all 3 Sub-Zero Classic Series Refrigerator error-code guides currently available.

44 9 43dO OrEC 50

Browse all Sub-Zero appliance error codes

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