Whirlpool Refrigerator Error Codes

Quick Answer

Whirlpool refrigerator error codes appear on the display as letters and numbers. Common codes: E0 = defrost temperature sensor, E1 = fresh food thermistor, CF = condenser fan, IF = ice maker fan. Start with a power reset (unplug 5 minutes). If the code returns, look it up in the sections below - each one has a specific repair path.

These codes on WRF and WRS models usually pop up when the control board loses communication with a sensor or fan. Some codes like PO just mean your power flickered and you can clear it in 10 seconds. Others like E5 mean the fridge is flying blind on temperature and your food's at risk. I always check the wire harness at the top door hinge first because constant opening and closing pinches those wires and triggers ghost codes that aren't actual part failures.

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About These Whirlpool Refrigerator Error Codes

Seeing a code on your Whirlpool display is actually better than a silent breakdown because the onboard computer's already doing the diagnostic work for you. These modern French door and side-by-side units are packed with thermistors monitoring every corner of the cabinet. Most of the time you're looking at a simple sensor swap or a loose connection, not a costly control board replacement.

Most Common Error Codes

Ice maker component failure - fan, motor, or thermostat40%

Thermistor or temperature sensor out of range24%

Defrost heater or defrost thermostat failure14%

Control board communication fault12%

Door seal torn allowing warm air infiltration10%

Symptoms You May Notice

Error code visible on interior display panel
Refrigerator or freezer not maintaining set temperature
Compressor running non-stop
PO alert after a power outage or storm
Ice maker stopped producing ice

Tools Required for Diagnosis

Phillips #2 screwdriverFlat-head screwdriverDigital multimeterNeedle-nose pliers5/16" nut driverFlashlight or headlampOld towels or rags for water

How to Identify Your Error Code

ComponentComponent Under Test

Expected Range5000–16000 ohms

ConditionIf Open (OL) or infinite, replace component.

Frequently Asked Questions

How do I enter diagnostic mode on a Whirlpool WRF or WRS refrigerator?

Press and hold Freezer Temp Up and Refrigerator Temp Up together for about 3 seconds until the display changes. That's your in. Have a pen ready because the codes can scroll through fast. This mode lets you test individual components like the ice maker or the defrost heater without pulling anything apart. Pretty useful if you want to confirm a part is actually bad before you order it and wait three days for delivery.

Is the E5 error on a Whirlpool refrigerator serious?

Yeah, jump on it. E5 means the fridge is basically guessing at its own temperature, and that usually leads to the evaporator coil freezing into a solid block of ice. Once that happens airflow stops completely and nothing stays cold. You'll notice your milk getting warm or your ice cream going soft before you even notice the code sometimes. It's usually the freezer thermistor, which is a cheap part, maybe $15-25. But ignore it and you're looking at a compressor run-on situation that wears out the whole system way faster than it should.

What does PO mean on a Whirlpool refrigerator?

Don't panic, it's just a power outage alert. The board detected it lost power and wants you to confirm the food's still safe. Tap any button to clear it and you're done. I see this constantly after summer storms. Now if it keeps coming back when your power's been steady, check whether the outlet behind the fridge is loose, or if the power cord got damaged. A flaky outlet can cause micro-interruptions the board picks up as power loss events and keeps flagging it.

Are WRF and WRS error codes the same?

Mostly yes. Whirlpool uses a very similar control board for both their French door (WRF) and side-by-side (WRS) lineups. The interior layout is different but the way the computer talks to the sensors is basically the same. One thing I've noticed though: French door models have wiring running through both door hinges, so you've got twice the spots where a hinge wire can fail and throw a code. That's the first place I check on any WRF before I even look at the actual sensor it's pointing to.

My Whirlpool refrigerator shows a code not listed here. Where do I find the full list?

Every Whirlpool has a tech sheet hidden on the unit itself. On WRF and WRS models check behind the bottom kick plate first, or look for it taped to the underside of the top hinge cover. That sheet is gold because it has the complete code list and test sequences for your exact model. Can't find it? Pull the full model number from the sticker inside the fridge wall, usually on the left side, and search for the service manual online using that number.

How much does it usually cost to fix a Whirlpool refrigerator error code?

Honestly it really depends on the code. A PO code costs you nothing, just tap a button. A bad thermistor is $15-30 for the part and maybe an hour of your time if you're handy. Condenser fan motor runs $40-80. Control board replacement is where it gets painful, those are usually $150-300 for the part alone. In my experience maybe 60-70% of these codes end up being a sensor or a fan, not the board, so don't assume the worst before you actually diagnose it.

Related Whirlpool Refrigerator Error Codes

Code: E5Whirlpool Refrigerator E5 Error Code: Temperature Sensor Fault Code: POWhirlpool Refrigerator PO Alert: Power Outage Warning

Same Fix Works on These Brands

Whirlpool shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Models Known to Experience HUB Errors

This repair applies to most Whirlpool refrigerators with this error code. Common model numbers include:

WRF535SWHZ, WRS325SDHZ, WRX735SDHZ, WRF555SDFZ, WRS588FIHZ, WRS315SDHM, WRF532SNBM, WRS321SDHZ

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 14, 2026