Dri-Eaz LGR 7000XLi Guide D'utilisation page 9

Lift off front cover and set aside.
Disconnect the sensor chip assembly from the block.
Gently lift the chip and the mounting post together out of the
block.
NOTICE! The sensor chip assembly is fragile. Handle
with care at all times. To avoid damaging the sensor with
a static electricity discharge, do not touch the sensor
circuitry, and do not place any tape or other material in
contact with the sensor circuitry.
Lift the heat exchange block straight upward off the base.
Note orientation of block for reassembly.
07-01776D (F412 120V) 2013-01 Warranty 07-00420 9 Dri-Eaz Products, Inc.