Maytag · Refrigerator Serious

ER — General Error / Sensor Fault

Generic error indicator — typically points to a failed thermistor (sensor) input to the control. Compressor and defrost behavior may be erratic.

Keep using it?
Limited use only
DIY difficulty
Moderate
Verified against
maytag.com ↗

How to fix it

  1. Enter service diagnostics (model-specific button combo) to read sensor temps.
  2. Compare displayed sensor values to a thermometer in the cabinet.
  3. Unplug and measure suspect thermistor resistance — should be ~16k ohms at 32°F (10k NTC type per model).
  4. Replace any thermistor reading open, shorted, or far from spec.
  5. If all sensors check good, replace the main control board.

Why it happens

Typical signs: ER on display · Freezer too warm or too cold · Fresh food not cooling correctly · Compressor runs constantly or short-cycles

  • Failed evaporator thermistor Sensor open or shorted, out of range.
  • Failed fresh food/freezer thermistor Cabinet sensor failure.
  • Loose sensor connector Spade or plug came off in service.
  • Failed main control Sensor input circuit on board has 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.

  • Maytag refrigerator thermistor Common replacement
    Amazon →

More Maytag refrigerator codes

5uL 5uL — Sound Level Setting CF CF — Communication Failure (UI to Main) dE dE — Defrost System Error F4E1 F4E1 — Defrost-System Fault F6E1 F6E1 — Compressor / Inverter Fault F7E1 F7E1 — Evaporator Fan Motor Fault

All Maytag 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: maytag.com.