B13 BETTER (B13 BEST APPEARANCE) WASHING MACHINE SERVICE HANDBOOK
103
Yes
Replace the control
card
No
Open back cover of machine. Measure the
heater resistance by removing at least one
of the heater ends; is the resistance 25
Ohm? (Picture E2-4)
Replace the heater.
Is there E2 error?
Is there short circuit between pin 1 and
pin 2 on KN6 connector? Check this.
(Picture E2-2)
No
Yes
Check the water level sensor.
When the machine is empty
and energized, perform
frequency measurement
between the pins 1 and 2
(Blue-White) It must be
around 625 Hertz. (Picture 2-
5)
Does the heater operate
although there is no
water?
Yes
Remove the panel
and KN1 Heater
socket for a
comfortable
measurement.
(Picture E2-1) (At the
same time, motor
supply cable is on this
socket)
Yes
You can run a washing
programme.
No
Important Note:
Washing machine is in NTC open circuit /
short circuit and Heater open circuit
statuses; that is, if there is E1, E2 or E3
error, machine cold washes and ends the
programme before the heater is activated.
PICTURE E2-4: One of the cables on heater
has been removed (on the left) and heater
resistance is being measured.
* Heater open
circuit error
E
2
*Fails to heat.
*Machine boiled
the water once
and now it does
not heat at all.
PICTURE E2-1: Heater socket on KN1 card
has been removed.
PICTURE E2-5: Water level sensor is being
checked.
PICTURE E2-2: Short circuit is being controlled
between pin 1 and pin 2 of KN1.
PICTURE E2-3: Heater socket on KN1 card has
been removed and cable is being checked.
KN24
12.3.2 E2
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