Whirlpool · Refrigerator Serious

F3 E2 — Freezer Thermistor Fault

The control board detected an open or shorted freezer compartment thermistor. Without a valid freezer temperature reading, defrost timing and compressor control go wrong.

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

How to fix it

  1. Power-cycle the refrigerator for 5 minutes.
  2. Remove the freezer back panel — locate the thermistor clipped near the evaporator.
  3. Check for heavy frost. If the coil is iced over, thaw it (turn off, leave doors open with towels for 8 hours) — there is also likely a defrost system problem.
  4. Test resistance: about 16kΩ at 0°F or 30kΩ in ice water (32°F). Replace if open or out of range.
  5. Reseat the connector at the main board if the sensor reads correctly.
  6. Replace the main control board if wiring and sensor are both good.

Why it happens

Typical signs: Flashing 'F' on display · Freezer too warm or rock-hard cold · Frost building on freezer back wall · Ice cream soft despite display showing 0°F

  • Failed freezer thermistor Sensor reads open or shorted to the control board.
  • Disconnected sensor harness Connector unseated after service or vibration.
  • Sensor frozen in ice Heavy frost from a stuck defrost cycle has encased the probe.

Replace your water filter

A clogged or overdue water filter is a common cause of low water and ice flow on Whirlpool refrigerators — they are meant to be changed about every 6 months. The OEM-style filter that fits most Whirlpool refrigerators is the EDR1RXD1 ($40-50 OEM, $15-25 compatible).

  • Whirlpool EDR1RXD1 refrigerator water filter OEM water filter
    Amazon →

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

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.

  • Freezer thermistor Common replacement
    Amazon →

More Whirlpool refrigerator codes

6 (flashing) Flashing 6 — 6th Sense Active CF CF — Communication Failure Co Co — Cooling Off / Demo Mode dF dF — Defrost System Failure Er Er — Generic Error / Control Glitch F3 E1 F3 E1 — Fresh Food Thermistor Fault

All Whirlpool 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: producthelp.whirlpool.com.