arcelik Beko B13, Service Handbook

Page: 64 / 111

B13 B7S B7SLED WASHING MACHINE SERVICE HAND BOOK
64
Is there E3 error?
Replace control card.
No
Replace the heater
No
Yes
Yes
Does the heater
operate although there is
no water?
Yes
Open the rear cover
of the machine. Measure heater
resistance by removing at least
one of the heater terminals; is the
resistance 25 Ohms? (Picture
E2-4)
PICTURE E2-4: One of the cables on the
heater is removed (left) and heater resistance
is measured.
PICTURE E2-1: Heater socket on the KN5
card
Important Note:
The washing machine makes cold washing
and ends the program before the heater is
activated in NTC open circuit / short circuit
and Heater open circuit conditions, i.e. if
there is E1, E2 or E3 error.
* Heater
continuously
active error
E3
0
0
0
1
1
Machine is boiling
the water.
Laundry comes
out very hot; they
are worn.
Check to see if there is any short
circuit between the first pins of
both connectors.
(Picture E2-3)
Remove the panel for a
comfortable measuring.
Remove KN5 (Picture E2-1)
Heater socket and KN8
(Picture E2-2) Tacho socket.
PICTURE E2-2: KN8 tacho socket is removed.
Check water level sensor.
Measure the frequency
between pins 1 and 3 while
the machine is empty and
energized. It should be
around 25560 Hertz.
(Picture 2-5)
PICTURE E2-5: Water level sensor is being
checked
PICTURE E2-3: Short circuit check is being
made between KN8-1 pin and KN5-1 pin.