Model reference
Sub-Zero 700BFI
Refrigerator
13 documents32 error codes30 service modes
Available documentation
Service Manual
- Technical Service Manual - Under Counter (UC-24) Series122 pg
- sub-zero-pocket-guide-37565126 pg
- Sub-Zero 700 Service Manual — Service Manual95 pg
- Sub-Zero 700 Service Manual (International) — Service Manual95 pg
- Sub-Zero 700-2: Serials 1670316 to 2347395 — Service Manual165 pg
- Sub-Zero Original: Prior to Serial 1670316 — Service Manual49 pg
- Sub-Zero UC-24 Enhancements: After Serial 3603000 — Service Manual110 pg
- Sub-Zero Original: Prior to Serial 3603000 — Service Manual101 pg
Parts Manual
- Sub-Zero 700 Parts Manual (International) — Parts Manual27 pg
- Sub-Zero 700 Parts Manual — Parts Manual27 pg
- Sub-Zero 700-2: Serials 1670316 to 2347395 — Parts Manual40 pg
- Sub-Zero Original: Serials 0 to 1670315 — Parts Manual30 pg
Quick Reference
- Condensed Electronic Control Information Booklet126 pg
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Error codes (32)
CodeMeaning
--Unit is in shutdown mode; all unit functions suspended except lights and door…-20Zone thermistor is unplugged or faulty (open circuit) in the indicated zone.-88Red wire of display cable is unhooked or faulty; top lights off and keys…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.30Excessive icemaker water valve solenoid activation (solenoid energized for more…40Excessive Freezer Compressor Run (UC-24C Only).50Excessive Refrigerator Compressor Run (UC-24B, UC-24R and UC-24RO Only).55Zone thermistor is shorted in the indicated zone.80High variable speed compressor differential pressure or low voltage supplied to…81High amperage draw at variable speed compressor (700TF/I-2V only).82VS compressor could not maintain lowest minimum speed at highest current draw…83Locked variable speed compressor rotor (700TF/I-2V only).84Short circuit at VS compressor controller output circuit (700TF/I-2V only).85VS compressor converter overheated and shut down VS compressor (700TF/I-2V…86Serial communication failure between VS compressor controller and electronic…87Speed information from electronic control board is out of specification…88Electronic control board not receiving status data in response to speed…E0Communication error between control board and control panel (base units only).E3Communication error between control board and control panel (base units only).ECExcessive compressor run with error codes registered in the electronic control…EECompartment or evaporator thermistor (or its wiring) is open, shorted, or has a…ICEFlashing ICE and SERVICE annunciators indicate water valve solenoid was…Service modes (30)
- Automatic Entry Model Configuration ModeAutomatic
- Clear Error Codes1
- Clear Error Codes (UC-24B/R/RO)With unit ON, press Refrigerator WARMER and COLDER keys for 15 seconds.
- Clear Error Codes (UC-24C)With unit ON, press Freezer WARMER and COLDER keys for 15 seconds.
- Clear Error Codes / Non-Flashing SERVICEUnit must be ON, problem must be corrected. UC-24C
- Diagnostic Mode1
- Diagnostic Mode (Actual Temperature Display Mode)With unit ON, press and hold either COLDER key, then press POWER key, then release both keys.
- Diagnostic Mode (Base Units)1
- Diagnostic Mode (Tall Units)1
- Manual Compartment Disable Mode (Tall Units only)1
- Manual Component Activation ModeWith unit ON, press and hold desired COLDER key and POWER key for 10 seconds.
- Manual Component Activation Mode (Tall Units only)1
- Manual Defrost Initiation["Turn OFF master power switch for 10 seconds.","Turn master power switch back ON.","Control will…
- Manual Entry Model Configuration ModeWith unit ON and in Diagnostic Mode, press and hold POWER key for 15 seconds
- Manual Freezer Evaporator Defrost1
- Manual Freezer Evaporator Defrost (UC-24C Only)With unit ON, press and hold Freezer WARMER and COLDER keys and POWER key for 5 seconds.
- Model Configuration Mode1
- Sabbath ModeSwitch unit OFF using POWER key, then press and hold POWER key for approximately 10 seconds until…
- Set Mode (Temperature Adjustment)["Press ZONE key to activate set mode and display setpoint for each zone.","Press ZONE key until…
- Showroom ModeSwitch unit OFF using POWER key
- Shutdown Mode["Attempt to set temperatures warmer than control limits."]
- Temperature Log Recall Mode - Compartment and Evaporator (Tall Units)1
- Temperature Log Recall Mode - Compartment Only (Tall Units)1
- Temperature Log Recall Mode (Compartment and Evaporator)With unit ON, initiate Diagnostic Mode first
- Temperature Log Recall Mode (Compartment Only)With unit ON, press and hold desired compartment WARMER key, then press POWER key, then release…
- Temperature Units Selection (UC-24B, UC-24R, UC-24RO)1
- Temperature Units Selection (UC-24B/R/RO)Within first minute of switching unit ON
- Temperature Units Selection (UC-24C)Within first minute of switching unit ON
- Temperature Units Selection Mode1
- Temperature Units Selection Mode (Fahrenheit/Celsius)1
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