Model reference

Sub-Zero ICBWS-30/S/CH-LH

Name: Sub-Zero ICBWS-30/S/CH-LH
Brand: Sub-Zero

Refrigerator

2 documents9 error codes6 service modes

Available documentation

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M+ Max·Sub-Zero Refrigerator

05 on my Sub-Zero ICBWS-30/S/CH-LH

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Upper Cabinet Thermistor read open or

From Service Manual 547092, p.24:

1.Access service mode to confirm the active fault code and read stored error history.

2.Disconnect the sensor and measure resistance. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).

3.Check the sensor harness for opens. A reading outside 5 kΩ to 50 kΩ indicates a failed sensor.

Part WP8577274

Temperature thermistor

CodeMeaning

Diagnostic ModeWith the unit ON, press and hold either COLDER key, then press the POWER key, then release both keys
Manual Valve Activation ModeWith the unit ON, press and hold the desired compartment COLDER key and POWER key for ten (10)…
Sabbath ModeSwitch the unit OFF using the POWER key, then press and hold the POWER key for ten (10) seconds…
Showroom ModeSwitch the unit OFF using the POWER key
Temperature Log Recall ModeWith the unit ON, press and hold the desired compartment WARMER key, then press the POWER key, then…
Temperature Units Selection ModeWithin the first minute after switching the unit ON, press and hold the ALARM key and the POWER key…

Full entry steps, exit procedures, and test sequences are available in Max.

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