The E23 error on your Frigidaire dryer means the control board has detected a communication fault with the moisture (dryness) sensor circuit. This usually points to a wiring or sensor strip issue rather than a major mechanical failure, and many owners can check it themselves before calling a technician.

Error code E23
Meaning Communication error between the main control board and the moisture sensor strips inside the drum
Severity Medium — dryer may still run but won’t sense dryness correctly, leading to over/under-drying
Time to fix 15–40 minutes
Tools needed Multimeter, screwdriver

What the E23 error means

Frigidaire dryers use metal moisture sensor strips inside the drum to detect how damp the clothes are and end the cycle at the right time. The E23 code appears when the control board loses communication with this sensor circuit, often due to a bad connection, a failed wire harness, or debris build-up on the sensor strips. It can also point to a fault on the main control board itself if the wiring checks out fine.

Common causes

  • Dirty or residue-covered moisture sensor strips inside the drum
  • Loose or corroded wire connector at the sensor strip terminals
  • Damaged wiring harness between the drum and control board
  • Fabric softener sheet buildup blocking sensor contact
  • Failed main control board
  • A stuck or dirty push-to-start switch interfering with the circuit

How to fix the E23 error

  1. Unplug the dryer: Disconnect power at the outlet before opening any panels for safety.
  2. Clean the sensor strips: Open the dryer door and locate the two curved metal strips inside the drum. Wipe them with a soft cloth and rubbing alcohol to remove residue.
  3. Check the wiring harness: Access the back of the drum or control panel and inspect the wires running to the sensor strips for looseness, corrosion, or damage.
  4. Test continuity with a multimeter: Check the sensor circuit for continuity; a reading of infinite resistance suggests a broken wire or bad connector.
  5. Reset the dryer: Plug it back in, run a test cycle, and see if the E23 code clears.
  6. Replace the control board if needed: If wiring and sensors test fine but the error persists, the main control board likely needs replacing.

FAQ

Can I still use my dryer with an E23 error showing?
You can often run a cycle, but the dryer may not judge dryness accurately, so clothes could come out too wet or over-dried.

Do I need a technician to fix E23?
Not always. Cleaning the sensor strips and checking wiring connections can resolve it yourself; a technician is only needed if the control board must be replaced.

Why do moisture sensors get dirty so quickly?
Fabric softener sheets and dryer sheet residue build up on the metal strips over time, especially if you use them on every load.