mypros+
Error code reference

Whirlpool Dryer Error Code F4E2

No voltage detected at heater relay 2 (electric models only), indicating a heater failure or connector problem.

Whirlpool codesWhirlpool dryer codes
Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the F4E2 error code actually means

Your Whirlpool electric dryer is showing an error because one of its two heating circuits has stopped working, meaning the dryer may not heat properly or at all. The dryer's control board detected that it is not receiving any power signal from the second heating relay, which could point to a burned-out heating element, a faulty control board relay, or a loose wire connection. Until this is repaired, your clothes may come out damp or the dryer may take much longer than usual to dry a load.

Diagnostic procedure

The full F4E2 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Unplug dryer or disconnect power and check that the wires are plugged into the heater element(s) and the relay(s) on the ACU.
Unlock with pass
Unlock with pass
Unlock with pass
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock F4E2 procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of F4E2

Ranked by how often they cause this code
  1. 1Loose or disconnected wiring connector at heater element or ACU relay
  2. 2Failed heater element (Heater 2)
  3. 3Faulty heater relay on the ACU
  4. 4Damaged or broken wiring harness between ACU and heater element

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass

Questions people ask about F4E2

What does F4E2 mean on a Whirlpool dryer?
F4E2 means the Appliance Control Unit detected no voltage at the heater 2 relay. This tells you the second heating circuit in your electric dryer is not functioning. The cause can be a loose wire connector, a burned-out heater element, a broken wiring harness, or a failed relay on the ACU.
Can I still use my Whirlpool dryer when it shows F4E2?
The dryer may still run, but it will not heat properly because one of its two heater circuits is down. Running it will not dry clothes effectively and will not damage the dryer further in most cases, but continuing to use a dryer with an electrical fault is not advisable. Get the wiring and heater element inspected before resuming regular use.
Is F4E2 on a Whirlpool dryer a DIY repair?
Reconnecting a loose wiring connector or replacing the heater element are repairs most DIYers can handle with basic tools and a multimeter. Replacing the ACU is also DIY-accessible since it is usually mounted and plug-connected, but confirming the ACU relay is actually at fault before buying the part is critical. If you are not comfortable testing live electrical components or tracing wiring harnesses, a qualified appliance technician can diagnose and complete the repair efficiently.
How do I fix F4E2 on a Whirlpool dryer?
Start by unplugging the dryer and inspecting every wire connector at the heater element terminals and at the relay on the ACU. Reseat any connector that appears loose. If all connections are secure, use a multimeter to test the heater element for continuity. A reading of no continuity confirms the element is open and needs replacement. If the element tests fine, the ACU relay is the next suspect.
How much does it cost to fix F4E2 on a Whirlpool dryer?
If the fix is a loose connector, there is no parts cost and you only spend time. A replacement heater element typically costs $20 to $60 in parts and is a moderate DIY repair requiring basic disassembly of the dryer cabinet. If the ACU itself needs replacement due to a failed relay, parts can run $100 to $250, and professional labor adds another $80 to $150 depending on your area. Wiring harness repairs fall somewhere in between.

Related Whirlpool dryer error codes

All Whirlpool dryer codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass