LG · Refrigerator Minor

Sb — Sabbath Mode active (not a fault)

Sb is not an error — it indicates Sabbath Mode is enabled. In Sabbath Mode the dispenser, lights, alarms, fans and display behaviors are altered to comply with religious observance.

Keep using it?
Yes — fix when convenient
DIY difficulty
Easy
Verified against
lg.com ↗

How to fix it

  1. Press and hold Freezer + WiFi (or Refrigerator + Ice Plus, varies by model) together for 3–5 seconds.
  2. Sb will disappear from the display when mode is exited.
  3. If unsure of the key combo, consult the model's owner manual.
  4. No repair is needed — this is a user-selectable mode.

Why it happens

Typical signs: Sb shown on display · Dispenser doesn't respond · Door alarms silenced · Interior light may not come on · Display dimmed or blank

  • Sabbath Mode was activated Intentional setting or accidental key combo.
  • Power restored while in Sabbath Mode Mode survives a power blip.

Replace your water filter

A clogged or overdue water filter is a common cause of low water and ice flow on LG refrigerators — they are meant to be changed about every 6 months. The OEM-style filter that fits most LG refrigerators is the LT1000P ($45-55 OEM, $18-28 compatible).

  • LG LT1000P refrigerator water filter OEM water filter
    Amazon →

Not sure which filter fits your model? See the full compatibility guide →

Related repair guides

Refrigerator Water Dispenser Not Working →

More LG refrigerator codes

22 22 — Compressor relay / inverter control fault 33 33 — Compressor / defrost test fault 67 67 — Door open / not fully closed 88 88 — Power-on display test (not a fault) Er CF Er CF — Condenser fan motor feedback fault Er CO Er CO — Communication error (main board ↔ display)

All LG codes → All refrigerator codes →

Frequently asked questions

What does the Sb code mean on a LG refrigerator?

Sb is not an error — it indicates Sabbath Mode is enabled. In Sabbath Mode the dispenser, lights, alarms, fans and display behaviors are altered to comply with religious observance.

What causes the Sb code on a LG refrigerator?

Sabbath Mode was activated: Intentional setting or accidental key combo. Power restored while in Sabbath Mode: Mode survives a power blip.

Is it safe to keep using a LG refrigerator with a Sb error?

Yes — fix when convenient. This is rated a minor-severity fault.

How do I fix Sb on a LG refrigerator?

Press and hold Freezer + WiFi (or Refrigerator + Ice Plus, varies by model) together for 3–5 seconds. Sb will disappear from the display when mode is exited. If unsure of the key combo, consult the model's owner manual.

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: lg.com.