Bosch WTA34 Series Onarım Talimatları - Sayfa 9

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TUMBLE DRYER
Error
Error display
no.
6
Drum is not rotating.
7
Motor is not rotating
– rotates only in one
direction,
– rotates constantly.
8
Is not heating.
r120085e -15/9
04.99
Possible cause
A
Motor is not rotating
B
Belt loose, slipping or
defective.
Clamping device defective.
C
Drum blocked or
overloaded.
A
Motor, cable or plug-and-
socket connection defective.
Motor protector has been
actuated.
Motor capacitor defective.
B
Door switch defective.
C
Power module defective.
A
Thermal cut-out B9 has
tripped.
B
Heater defective.
C
NTCs defective.
Test / Procedure
See Error number 7.
Test belt and clamping
device.
Test drum.
Test motor, capacitor and
wiring.
See Error number 15.
Start "BW cupboard dry"
test program and measure
drive voltage for motor.
Clockwise rotation:
Mains voltage between
X11–10.5 and X11–10.3;
Anti-clockwise rotation:
Mains voltage between
X11–10.5 and X11–10.4
Before performing this test,
remove the heater plug, as
thermal cut-out B9 will trip
immediately without the
motor.
See Error number 13 B.
Test heater and cable.
Test NTCs (cold resistance)
and wiring.