LG · Refrigerator Moderate

Er SS — Pantry/convertible drawer sensor failure

The pantry (convertible drawer / 'fridge-or-freezer' drawer) thermistor is open, shorted, or disconnected. Pantry temperature can't be regulated.

Keep using it?
Yes, with caution
DIY difficulty
Moderate
Verified against
lg.com ↗

How to fix it

  1. Unplug the refrigerator.
  2. Remove the pantry drawer assembly per the service manual.
  3. Locate the pantry thermistor and reseat the connector.
  4. Ohm the sensor against LG spec at room temp.
  5. Replace the sensor if out of spec.
  6. If still failing, replace the main control board.

Why it happens

Typical signs: Er SS on display · Pantry drawer too warm or too cold · Convertible setting won't hold · Main compartments normal

  • Disconnected drawer sensor Connector unseated after pantry service.
  • Failed thermistor NTC sensor element failed.
  • Pinched wire at pantry rail Drawer movement cycled the wire to failure.
  • Main board sensor input ADC channel for pantry failed.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • Pantry/drawer thermistor Common replacement
    Amazon →

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 →

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.