LG LMHM2017SW Service Manual page 42

K. REPLACING THE HUMIDITY SENSOR
(1) Remove the sensor by removing two screws in
front of the lamp cover & removing one screw
securing it to the air duct. (See Figure 22)
(2) Mount the new humidity sensor to the air duct.
L. REMOVING CONVECTION HEATER
AND THERMISTOR (Figure 23)
(1) Remove the out case.
(2) Remove the air duct by removing six screws
securing it to the oven front plate, guide air and
glasswool-L cover.
(3) Disconnect the wire leads of fan motor.
(4) Disconnect the wire leads of heater and C-motor.
(5) Remove the thermistor by removing one screw.
(6) Remove the four net screws securing chamber
assembly.
(7) Lift the chamber assembly from the oven cavity.
(8) Remove three screws securing the heater of the
chamber assembly.
(9) Lift the convection heater from the chamber
assembly.
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Figure 23