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E
e31
Moderate
Electrolux · Dryers
Communication Error Between UI and Main Board
Quick Answer
Error code E31 on your Electrolux Dryers means: Communication Error Between UI and Main Board. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
EFME627UTTEFMG627UTTELFE7637ATELFG7637ATELTE7637AT
Likely Causes
  1. Ribbon cable or wire harness between the user interface board and the main control board is disconnected
  2. User interface (UI) board has a firmware fault or hardware failure
  3. Main control board serial communication port is damaged
  4. Connector pins on the communication cable are corroded or bent
How to Fix It
1
Disconnect power for 5 minutes, then restore power to attempt a board reset
2
If the error persists, remove the top panel and inspect the ribbon cable between the UI board (behind the control panel) and the main board
3
Reseat both ends of the communication cable firmly into their connectors
4
Check connector pins for corrosion and clean with electrical contact cleaner if needed
5
Replace the UI board first; if the error continues, replace the main control board
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Electrolux UI control board (part #137070890)
Main control board (part #137070860)
Communication ribbon cable
Related Error Codes
E11E21E41E52E54
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