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Model reference

Sub-Zero BI-36U/S

Refrigerator

13 documents116 error codes30 service modes

Available documentation

Service Manual

  • Technical Service Manual - Built-In (BI) Series284 pg
    Covers this model
  • Technical Service Manual Built-In (BI) Series284 pg
    Covers this model
  • Technical Service Manual Built-In (BI) Series280 pg
    Covers this model
  • Sub-Zero Classic Enhancements (7040317): After Serial 4380000 — Service Manual401 pg
    Covers this model
  • Sub-Zero Classic Enhancements (7040127): Serials 4250000 to 4379999 — Service Manual382 pg
    Covers this model
  • Sub-Zero Classic Enhancements (7019014): Serials 4100000 to 4249999 — Service Manual355 pg
    Covers this model
  • Sub-Zero Original: Prior to Serial 4100000 — Service Manual265 pg
    Covers this model

Other

  • generalinfo1.pdf12 pg
    Covers this model

Parts Manual

  • Sub-Zero Classic Enhancements (7040156): Serials 4300000 to 4379999 — Parts Manual130 pg
    Covers this model
  • Sub-Zero Classic (formerly Built-In) Enhancements (7040318): After Serial 4380000 — Parts Manual125 pg
    Covers this model
  • Sub-Zero Classic Enhancements (7019015): Serials 4100000 to 4299999 — Parts Manual123 pg
    Covers this model
  • Sub-Zero Original: Prior to Serial 4100000 — Parts Manual91 pg
    Covers this model

Pocket Manual

  • Sub-Zero Pocket Manual: Classic Series Electronic Control Pocketbook — Pocket Manual16 pg
    Covers this model
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Error codes (116)

CodeMeaning
10 1 00Refrigerator Cabinet Thermistor Open.10 1 01Refrigerator Cabinet Thermistor Shorted.10 1 02Refrigerator Cabinet Thermistor Unstable.10 2 00Freezer Cabinet Thermistor Open.10 2 01Freezer Cabinet Thermistor Shorted.10 2 02Freezer Cabinet Thermistor Unstable.10 7 00Ambient Thermistor on Control Board is open.10 7 01Ambient Thermistor on Control Board is shorted.10 7 02Ambient Thermistor on Control Board is unstable.10 F 00Freezer Evaporator Thermistor Open.10 F 01Freezer Evaporator Thermistor Shorted.10 F 02Freezer Evaporator Thermistor Unstable.10 r 00Refrigerator Evaporator Thermistor Open.10 r 01Refrigerator Evaporator Thermistor Shorted.10 r 02Refrigerator Evaporator Thermistor Unstable.10 r 09Refrigerator Evaporator thermistor read higher than cabinet thermistor by at…15 1 00Refrigerator Compressor Relay stuck open; no power to compressor.15 1 01Refrigerator Compressor Relay is stuck closed; power to compressor at all times.15 2 00Freezer Compressor Relay stuck open; no power to compressor.15 2 01Freezer Compressor Relay is stuck closed; power to compressor at all times.15 4 00Defrost Relay is stuck open; no power to defrost heater.15 4 01Defrost Relay stuck closed; power to defrost heater at all times.15 8 00Icemaker Relay is stuck open; no power to icemaker.15 8 01Ice Maker Relay stuck closed; power to icemaker at all times.15 8 10Ice Accessories Relay is stuck open; no power to ice accessories (fill tube…15 8 11Ice Accessories Relay is stuck closed; power to ice accessories at all times.15 9 00Auger Relay is stuck open; no power to auger.15 9 01Auger Relay is stuck closed; power to auger at all times.15 9 65Water Valve Selecting Relay stuck at Dispenser water position; ice making…15 9 66Water Valve Selecting Relay stuck at Icemaker water position.
View all 116 error codes
15 L 00Main Lights Relay stuck open; power to lights at all times.15 L 01Main Lights Relay is stuck closed; no voltage to lights.15 L 55Accent lights triac open.15 L 56Accent lights triac shorted.15 U 00Water Valve Relay is stuck open; no power to water valve.15 U 01Water Valve Relay is stuck closed; power to water valve at all times.20 2 00Defrost Bi-metal stuck open.20 2 01Defrost Bi-metal stuck closed.20 2 05Mis-wired Bi-metal; normal temps during defrost but inappropriate response from…20 2 06Mis-wired Bi-metal; high temps during defrost and inappropriate response from…20 2 07Defrost Heater Error.20 2 50Defrost Heater Open.30 8 00Ice accessories open circuit.30 8 05No signal from icemaker for fill.30 8 10Icemaker open circuit.30 8 30Water valve not opened but water observed passing through.30 9 10Dispenser auger open.30 9 80Communications cable to dispenser problem.30 9 86Chute motor timed out; chute motor failed to reach open or closed position.30 U 00Water valve open circuit.30 U 10Dispenser water valve open circuit.35 3 00Condenser fan open circuit.35 A 36Air filter fan connection or function problem.35 A 37Air filter fan short or connection problem.35 d 36Drawer Fan current is too low.35 d 37Drawer Fan current is too high.35 F 33Freezer evaporator fan running faster than its setting, possible short.35 F 34Freezer evaporator fan unable to achieve full speed.35 r 33Refrigerator evaporator fan running faster than its setting, possible short.35 r 34Refrigerator evaporator fan unable to achieve full speed.40 1 40Excessive Refrigerator compressor run time.40 2 40Excessive Freezer compressor run time.40 8 40Icemaker ran for maximum fill time without achieving necessary volume.40 9 40Dispenser active for maximum fill time (150 seconds).44 0 00Glass door heater open circuit.44 0 01Glass door heater short circuit.44 9 421 watt glasswell heater not detected.44 9 434 watt glasswell heater not detected.45 1 00Main Refrigerator lights open circuit.45 1 01Main Refrigerator lights short circuit.45 2 00Main Freezer lights open circuit.45 2 01Main Freezer lights short circuit.45 A 45Air filter light burned out.45 L 00Accent lights open circuit.45 L 01Accent lights short circuit.50 U 80Water Flow meter not detected.50 U 86Water Flow meter detected low flow.50 U 87Water Flow meter did not detect flow.60 1 60No Refrigerator compressor load detected.60 2 60No Freezer compressor load detected.90 0 70Flash Failure.90 0 71Flash Failure.90 0 72Flash Failure.90 0 73Flash Failure.90 0 74Flash Failure.90 0 75Flash Failure.90 0 81Microcontroller fault.90 0 90Microcontroller fault.90 0 92Microcontroller fault.90 0 93Microcontroller fault.90 3 38Condenser fan triac is faulted.90 3 55Condenser fan triac Open.90 3 56Condenser fan triac shorted.90 5 01Key shorted or damaged on Control Panel.90 5 3812V Fan power output fault.90 5 39DC Fan output faults.90 5 44Glass door heater output fault.90 5 80No keypad communications.90 5 85User display failure.90 5 95Key shorted or damaged on Control Panel.90 5 96Key shorted or damaged on Control Panel.90 5 97Control Panel microcontroller problem.90 5 99Control Panel error.90 9 80No communications with door dispenser.90 A 38Air filter fan output fault on control board.90 d 38Drawer fan output fault on control board.90 F 38Freezer evap fan output fault on control board.90 H 80Communications problems on main board.90 H 82Intermittent communications on main board.90 H 83Communications problems on main board.90 H 84Initialization fault.90 L 38Accent lights output fault on control board.90 r 38Refrigerator evaporator fan output faulted.95 1 25Refrigerator evaporator not cooling properly when compressor is on.95 2 25Freezer evaporator not cooling properly when compressor is on.98 0 98Brownout conditions were detected.

Service modes (30)

  • Contrast Adjust ModeAny time after the first minute of switching the unit ON, press and hold either set of COLDER and…
  • contrast_adjustAny time after the first minute of switching the unit ON, press and hold either set of COLDER and…
  • Delayed Dispense Reset ModeWithin the first 1 minute after switching unit ON
  • delayed_dispense_resetWithin the first minute after switching unit ON
  • diagnosticWith unit ON, press and hold either COLDER key, then press the POWER key, then release both keys
  • Diagnostic ModeWith unit ON, press and hold either COLDER key, then press the POWER key, then release both keys
  • Fault Code Recall ModeWith unit ON, press and hold either COLDER key, then press the POWER key, then release both keys
  • fault_code_recallWith unit ON, press and hold either COLDER key, then press the POWER key, then release both keys
  • Manual Component Activation ModeWith unit ON and in Diagnostic Mode, press and hold the desired zone's COLDER key and the POWER key…
  • Manual Freezer Evaporator DefrostWith unit ON, press and hold the ICE MAKER key for 5 seconds
  • Manual Zone Disable ModeSwitch unit OFF using POWER key
  • manual_component_activation1
  • manual_freezer_evaporator_defrostWith unit ON, press and hold the ICE MAKER key for 5 seconds
  • manual_zone_disable1
  • Model Configuration ModeWith unit ON and in Diagnostic Mode, press and hold the POWER key for 10 seconds until a model code…
  • model_configuration1
  • sabbath1
  • Sabbath ModeSwitch unit OFF using POWER key
  • Self Test ModeWith unit ON and in Diagnostic Mode, press and hold either set of COLDER and WARMER keys, then the…
  • self_test1
  • showroom1
  • Showroom ModeSwitch unit OFF using POWER key
  • Temperature Log Recall ModeWith unit ON and in Diagnostic Mode, use WARMER or COLDER to toggle to desired thermistor location…
  • Temperature Log Recall Mode (All Thermistors)Begin with unit in Diagnostic Mode
  • Temperature Log Recall Mode (Compartment Thermistors Only)With the unit ON, press and hold the desired compartment WARMER key, then the POWER key, then…
  • Temperature Units Selection ModeWithin the first 1 minute after switching the unit ON, press and hold the ALARM key and the POWER…
  • temperature_log_recall1
  • temperature_units_selectionWithin the first minute after switching the unit ON, press and hold the ALARM key and the POWER key…
  • Tone Adjust ModeFirst initiate Contrast Adjust Mode
  • tone_adjust1

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

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