Electrolux MCC4060E Service Manual page 24

PROCEDURE
LETTER
H
I
J
H
SOI 12.06 FV
TEST PROCEDURES
MOTOR WINDING TEST
CARRY OUT 3D CHECKS.
Disconnect the leads from the motor. Using an ohmmeter, check the
resistance between the two terminals as described in the table below.
Motors
Fan motor
Turntable motor
Convection fan motor
Damper motor
If incorrect readings are obtained, replace the motor.
CARRY OUT 4R CHECKS.
NOISE FILTER TEST
CARRY OUT 3D CHECKS
Disconnect the leads from the
terminals of the noise filter.
Using an ohmmeter, check between
the terminals as described in the
following table.
MEASURING POINTS
Between N and L
Between terminal N and WHITE
Between terminal L and RED
If incorrect readings are obtained, replace the noise filter unit.
CARRY OUT 4R CHECKS
BLOWN FUSE F1 20A
CARRY OUT 3D CHECKS
If the fuse F1 20A is blown, there is a short or a ground in electrical parts
or wire harness. Check them and replace the defective parts or repair the
wire harness.
CARRY OUT 4R CHECKS
CAUTION: Only replace fuse F1 20A with the correct value replacement.
BLOWN FUSE F2 F8A
CARRY OUT 3D CHECKS
1. If the fuse F2 F8A is blown when the door is opened, check the
monitored latch switch SW1 and monitor switch SW3.
2. If the fuse F2 F8A is blown by incorrect door switching replace the
defective switch(es) and the fuse F2 F8A.
COMPONENT TEST
Table: Resistance of Motor
Approximately
Approximately
Approximately
Approximately
INDICATION OF OHMMETER
Approx. 680
Short circuit
Short circuit
24/43
Resistance
Ω
293
12.6 kΩ
Ω
220
11 kΩ
kΩ
599 37 42-75