Er Moderate Easy DIY

Whirlpool Refrigerator Er — Generic Error / Control Glitch

Whirlpool Refrigerator · Error code Er

What Er Means

'Er' is a generic error indicator usually triggered by a brief control board glitch, brownout, or interrupted self-test. It is the fridge's way of saying 'something didn't complete' without naming a specific subsystem.

Symptoms

  • 'Er' on display
  • Brief unresponsiveness then normal
  • Display occasionally goes blank
  • No other visible symptoms

Common Causes

1
Voltage sag or brownout

Power dipped during a self-test.

2
Static discharge to the UI

Dry-air ESD hit the dispenser pad.

3
Early-stage board failure

Recurring Er often becomes a hard F-code later.

How to Fix It

  1. Unplug the refrigerator for 5 minutes; restore power.
  2. If Er does not return, watch for a week — single-event glitches do not need repair.
  3. If Er returns repeatedly, check the outlet with a multimeter for voltage between 110-125V AC.
  4. Move the fridge to a dedicated 15A circuit if it is sharing with a high-draw appliance.
  5. If Er persists on stable power, the main control board likely needs replacement.

More Whirlpool Refrigerator Codes

6 (flashing) Flashing 6 — 6th Sense Active CE CE — Communication error between control boards CF CF — Communication Failure Co Co — Cooling Off / Demo Mode dF dF — Defrost System Failure F3 E1 F3 E1 — Fresh Food Thermistor Fault

All Whirlpool codes → All refrigerator codes →

Verified against manufacturer documentation: ifixit.com

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