Model reference

Sub-Zero 642/S

Name: Sub-Zero 642/S
Brand: Sub-Zero

Refrigerator

12 documents14 error codes17 service modes

Available documentation

Service Manual

Technical Service Manual 600 Series134 pg
Covers this model
Technical Service/Training Manual (Addendum) 600 Series216 pg
Covers this model
Technical Service Manual 600 Series Prior to Serial #1810000134 pg
Covers this model
Sub-Zero Original: Prior to Serial 1810000 — Service Manual115 pg
Covers this model
Sub-Zero 600-2: Serials M2151911 to M2599999 — Service Manual169 pg
Covers this model
Sub-Zero 600-3: After Serial 2600000 — Service Manual157 pg
Covers this model
Sub-Zero Starting with SN 1810000: Serials P1810000 to P2149537 — Service Manual144 pg
Covers this model

Training

600 Series Technical Service/Training Manual (Addendum)216 pg
Covers this model

Parts Manual

Sub-Zero 600 Series Addendum: Serials P1810000 to P2149537 — Parts Manual96 pg
Covers this model
Sub-Zero Original: Prior to Serial 1810000 — Parts Manual96 pg
Covers this model
Sub-Zero 600-2: Serials M2151911 to M2600000 — Parts Manual146 pg
Covers this model
Sub-Zero 600-3: After Serial 2600000 — Parts Manual98 pg
Covers this model

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Error codes (14)

CodeMeaning

05Refrigerator cabinet thermistor read open or shorted for 10+ seconds, or…06Refrigerator evaporator thermistor read open or shorted for 10+ seconds, or…07Freezer cabinet thermistor read open or shorted for 10+ seconds, or repeatedly…08Freezer evaporator thermistor read open or shorted for 10+ seconds, or…20Defrost under-heat with no voltage feedback through Gray/White wire at defrost…21Defrost overheat.22No voltage feedback through Gray/White wire at defrost start.23Defrost overheat with no voltage feedback through Gray/White wire at defrost…24Defrost under-heat.EEThermistor error ICE SERVICEWater valve was energized for more than 15 seconds SERVICEService indicator flashing SERVICE + ICEWater valve was energized for more than 15 seconds; power to icemaker system is…VACUUM CONDENSERExcessive compressor run time detected

Service modes (17)

Clear Error Codes / SERVICE AnnunciatorWith the problem corrected and unit ON, press and hold the Door Ajar Alarm Bell ON/OFF key for 15…
diagnosticPress and hold either COLDER key, then press the UNIT ON/OFF key simultaneously. All indicators on…
Diagnostic Mode1. Press and hold either COLDER key, then press the UNIT ON/OFF key simultaneously. All indicators…
Manual Compartment Disable ModeSwitch unit OFF using UNIT ON/OFF key
Manual Component Activation ModeWith unit ON, press and hold the desired compartment COLDER key and the UNIT ON/OFF key for 10…
Manual DefrostWith ICE displayed on the LCD, press and hold the ICE key for 10 seconds
Manual Defrost (Freezer)Press and hold the ICE key at the control panel for 10 seconds
Manual Freezer Evaporator DefrostPress and hold the ICE key for five seconds, then release the key.
manual_defrostPress and hold the ICE key at the control panel for 10 seconds
sabbathWith the unit on, press the UNIT ON/OFF key so that 'OFF' is displayed on the LCD
Sabbath Mode1
Show Room ModePress the UNIT ON/OFF key so OFF is displayed on the LCD
show_roomPress the UNIT ON/OFF key so that 'OFF' appears on the LCD
Showroom Mode1
Temperature Log Recall Mode (Compartment and Evaporator)With unit ON and in Diagnostic Mode, toggle to the desired thermistor temperature display, then…
Temperature Log Recall Mode (Compartment Only)With unit ON, press and hold the desired compartment WARMER key, then press the UNIT ON/OFF key…
Temperature Units Selection ModeWithin the first minute after switching the unit ON, press and hold the door ajar alarm bell key…

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