Er SS Moderate Moderate DIY

LG Refrigerator Er SS — Pantry/convertible drawer sensor failure

LG Refrigerator · Error code Er SS

What Er SS Means

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

Symptoms

  • Er SS on display
  • Pantry drawer too warm or too cold
  • Convertible setting won't hold
  • Main compartments normal

Common Causes

1
Disconnected drawer sensor

Connector unseated after pantry service.

2
Failed thermistor

NTC sensor element failed.

3
Pinched wire at pantry rail

Drawer movement cycled the wire to failure.

4
Main board sensor input

ADC channel for pantry failed.

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.

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.

Common replacement Pantry/drawer thermistor View on 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 Fault Er CO Er CO — Compressor / Communication Fault

All LG codes → All refrigerator codes →

Verified against manufacturer documentation: lg.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.