Model reference

Sub-Zero 500

Refrigerator

4 documents38 error codes8 service modes

Available documentation

Service Manual

Sub Zero Built in 500 Series Refrigerator Service Manual152 pg
Covers this model
Technical Service / Training Manual 500 Series152 pg
Covers this model
Technical Service / Training Manual 500 Series152 pg
Covers this model

Installation Guide

Planning and Installation Guide20 pg
Covers this model

MyPros+ Max

Diagnose your Sub-Zero 500.

Step-by-step diagnostics from the service manual
Test values, resistance specs, and wiring references
Verified part numbers when replacement is needed

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Error codes (38)

CodeMeaning

34Capacitive sensor values read by the Main Board are not within the predefined…35Capacitive sensor assembly communication problem with main control board (500 &…41Door opened at cycle start.42Door closed sensing error.51Drum motor relay error.52Drum motor start sensing error.53Drum motor centrifugal switch error.54Drum motor sensing error.61Heater relay error.63Heater short error.64Heater open error.65Thermostat open.67Thermal/Heater sensing error (Only for Dual Coil).71NTC1 (OPEN) error.72NTC1 (SHORTED) error.73NTC2 (OPEN) error.74NTC2 (SHORTED) error.91User Interface communication problem with main board.92User Interface mother board protocol mismatch.93MCF checksum error.94CCF checksum error.97Missing program on CTF error.9CUser Interface configuration checksum error.9EUser Interface touch sensor not working.EMemory lost E 1Temperature probe has failed.E 4High limit has tripped; also flashes red HI LIMIT light.E 5Pot temperature is too high.F1Ventilation blocked error.F3No Gas Error.

View all 38 error codes

F6Safety reset error.H1/B1Power supply frequency out of range.H2/B2Power supply amplitude out of range (too HIGH).H3/B3Power supply amplitude out of range (too LOW).H4/B4Line wiring error.HA/BDLine safe relay short circuit error.HE/BELine safe error.HF/BFLine safe sensing error.

Service modes (8)

Boil Out Mode["Place keyswitch in the COOK position.","Depress the SELECT PRODUCT switch and select either IDLE…
Demo Mode["1. Press power and look for console to light up.","2. For Rotary Dial
Diagnostic Mode["1
Factory Default Reset["1
Program Mode["Move the keyswitch to the PROGRAM position."]
Recall Last Error Code["1
Review Usage Mode["Place keyswitch in PROGRAM position.","Push REVIEW USAGE switch.","Push SELECT PRODUCT to see the…
Special Program Mode (One Button Programming)["Turn the COOK/PROGRAM keyswitch to the PROGRAM position.","Depress the TIMER switch. Display will…

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

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