Safety first: Unplug the cooker and let it cool fully.

Dry the base: If the cooker was recently washed or used in a very humid environment, remove the inner pot and wipe the heating plate and surrounding area dry. Allow the unit to air dry for several hours.
Access the sensor: Remove the bottom cover. Locate the bottom temperature sensor on the heating plate or center post. Disconnect the sensor plug from the control board.
Check for moisture and corrosion: Inspect the connector pins and surrounding PCB for moisture, corrosion, or residue. Clean gently with isopropyl alcohol and a soft brush, then let dry completely.
Inspect sensor wiring: Look for pinched or melted insulation that could cause a short. If found, replace the sensor assembly.
Reassemble and test: Reconnect the sensor, reattach the bottom cover, and test with water only. If E2 returns immediately, the sensor or control board is likely defective and should be replaced.

Warning: Do not operate the cooker with the base cover removed or with any sensor disconnected.

Multicooker beeps and shows E2, will not build pressure or start cooking.

Possible Causes