Sub-Zero UC-24

Available documentation

Error codes (11)

Service modes (13)

• Automatic Entry Model Configuration ModeAutomatic
• 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.
• Diagnostic Mode (Actual Temperature Display Mode)With unit ON, press and hold either COLDER key, then press POWER key, then release both keys.
• Manual Component Activation ModeWith unit ON, press and hold desired COLDER key and POWER key for 10 seconds.
• Manual Entry Model Configuration ModeWith unit ON and in Diagnostic Mode, press and hold POWER key for 15 seconds
• Manual Freezer Evaporator Defrost (UC-24C Only)With unit ON, press and hold Freezer WARMER and COLDER keys and POWER key for 5 seconds.
• Sabbath ModeSwitch unit OFF using POWER key, then press and hold POWER key for approximately 10 seconds until…
• Showroom ModeSwitch unit OFF using POWER key
• 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/R/RO)Within first minute of switching unit ON
• Temperature Units Selection (UC-24C)Within first minute of switching unit ON

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