Beko B7S-B7SLED Service Handbook page 74

*Does not heat
water.
*Machine boiled
the water once,
but now it does
not heat at all.
PICTURE E2-1: Heater socket on
the KN5 card is removed.
E2
0
0
0
1
0
* Heater open
circuit error
No
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)
Replace the heater
PICTURE E2-4: One of the cables on the
heater is removed (left) and heater resistance
is measured.
B7S B7SLED WASHING MACHINE SERVICE HAND BOOK
Is there E2 error?
Remove the panel for a
comfortable measuring.
Remove KN5 (Picture E2-1)
Heater socket and KN8
(Picture E2-2) Tacho socket.
Yes
Check to see if there is any short
circuit between the first pins of
both connectors.
(Picture E2-3)
Replace control card.
Yes
No
Does the heater operate
Check water level sensor.
between pins 1 and 3 while
the machine is empty and
around 25560 Hertz. (Picture
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.
PICTURE E2-2: KN8 tacho socket is removed.
Yes
PICTURE E2-3: Short circuit check is being
made between KN8-1 pin and KN5-1 pin.
No
although there is no
water?
PICTURE E2-5: Water level sensor is being
Yes
checked
Measure the frequency
energized. It should be
2-5)
74
You may start the washing
program.