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Model reference

Sub-Zero BI-42SD/S/TH

Refrigerator

14 documents55 error codes27 service modes

Available documentation

Service Manual

  • Sub-Zero Classic Series Side-by-Side External Dispenser: After Serial 4520000 — Service Manual167 pg
    Covers this model
  • Service Manual Classic Series 1 1010 pg
    Covers this model
  • Sub-Zero Classic Enhancements (7019016): Serials 4100000 to 4199999 — Service Manual200 pg
    Covers this model
  • Sub-Zero Classic Enhancements (7025630): Serials 4200000 to 4379999 — Service Manual200 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 (55)

CodeMeaning
10 1 00Refrigerator compartment thermistor open circuit.10 1 01Refrigerator compartment thermistor short/closed.10 1 02Refrigerator compartment thermistor unstable.10 2 00Freezer compartment thermistor open circuit.10 2 01Freezer compartment thermistor short/closed.10 2 02Freezer compartment thermistor unstable.10 F 00Freezer evaporator thermistor open circuit.10 F 01Freezer evaporator thermistor short/closed.10 F 02Freezer evaporator thermistor unstable.10 r 00Refrigerator evaporator thermistor open circuit.10 r 01Refrigerator evaporator thermistor short/closed.10 r 02Refrigerator evaporator thermistor unstable.15 L 01Main lights relay stuck closed; no voltage to lights.20 4 00Defrost heater open circuit.20 4 50Defrost heater open.30 8 30Water valve not opened but water detected passing through flow meter.30 U 30Water valve solenoid energized for more than 35 seconds; icemaker system…35 1 33Refrigerator evaporator fan speed setting too low.35 1 34Refrigerator evaporator fan speed setting too high.35 1 35Refrigerator evaporator fan speed error.35 1 36Refrigerator evaporator fan current too low.35 1 37Refrigerator evaporator fan current too high.35 1 38Refrigerator evaporator fan power output fault.35 1 39Refrigerator DC fan output fault.35 2 33Freezer evaporator fan speed setting too low.35 2 34Freezer evaporator fan speed setting too high.35 2 35Freezer evaporator fan speed error.35 2 36Freezer evaporator fan current too low.35 2 37Freezer evaporator fan current too high.35 2 38Freezer evaporator fan power output fault.
View all 55 error codes
35 2 39Freezer DC fan output fault.40 1 40Refrigerator compressor excessive runtime.40 2 40Freezer compressor excessive runtime.44 H 44Glass door heater output fault.45 A 45Air purifier light burned out.45 L 45Burned out light detected.50 U 90Flow meter framing errors.90 5 70Control bad flash write.90 5 71Control flash initialized.90 5 72Control flash memory bad.90 5 73Invalid log fault checksum.90 5 74Invalid E2 checksum.90 5 75Invalid model E2 checksum.90 5 80No communication between control components.90 5 81Communications time-out.90 5 82Partial communications failure.90 5 83Bad micro communication.90 5 84Micro initialization fault.90 5 85Display failure.95 5 25Diagnostics failure.98 H 98Power brownout detected.98 H 99Power brownout detected.dO OrDoor is left open more than 5 minutes; door ajar alarm is off; audible alarm…H2 LOOver 1 gallon of water dispensed in 15 minutes, or water valve energized 150…LO CControl panel locked; door switch detected as depressed (door closed) but…

Service modes (27)

  • Contrast Adjust Mode1
  • contrast_adjust["Unit must have been on for one minute","Tap and hold either set of COLDER and WARMER buttons…
  • Delayed Dispense Reset Mode (Dispenser models only)1
  • diagnostic["Tap and hold either COLDER button, then tap POWER","Release both buttons","If fault codes are…
  • Diagnostic Mode1
  • Fault Code Recall Mode1
  • fault_code_clearing["Tap and hold ALARM for 15 seconds","'C' and 'FC' (clear fault codes) appears on the display for…
  • fault_code_recall["Enter diagnostic mode (tap and hold a COLDER button, then tap POWER, release both buttons)","If…
  • Manual Component Activation Mode1
  • Manual Freezer Evaporator Defrost1
  • Manual Zone Disable Mode1
  • manual_component_activation["Enter diagnostic mode (tap and hold either COLDER button, then tap POWER, release both…
  • manual_freezer_evaporator_defrost["Unit must be on","Tap and hold ICE MAKER for five seconds","Evaporator temperatures appear for…
  • manual_zone_disable["Turn the unit off by tapping POWER","Tap and hold the appropriate zone's WARMER button, then tap…
  • Model Configuration Mode1
  • sabbath["Turn the unit off by tapping POWER","Tap and hold POWER for 10 seconds","Unit chimes and 'SA' and…
  • Sabbath Mode1
  • self_test["Enter diagnostic mode (tap and hold COLDER, then tap POWER, release both buttons)","If fault…
  • Self-Test Mode1
  • showroom["Turn off the unit by tapping POWER","Tap and hold either set of WARMER and COLDER buttons, then…
  • Showroom Mode1
  • Temperature Log Recall Mode1
  • Temperature Units Selection Mode1
  • temperature_log_recall["Enter diagnostic mode (tap and hold either COLDER button, then tap POWER, release both…
  • temperature_units_selection["Must be initiated within the first minute after switching the unit on","Tap and hold ALARM and…
  • Tone Adjust Mode1. Initiate Contrast Adjust Mode first. 2. While in Contrast Adjust Mode, press the POWER key. 'S'…
  • tone_adjust["Enter Contrast Adjust mode (tap and hold either set of COLDER and WARMER buttons, then POWER…

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

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