Service manual OEB/OES/OGB/OGS
KD / 31.03.2009 5_00d_Fehlersuchliste_h_En.doc
Page 17 / 21
OEB
OES
OGB
OGS
Defect
Possible cause or remedy
5.6 Electronics (see also General)
5.6.1 Displayed oven
temperature does not agree with
the actual oven temperature
• Short circuit of the B6 sensor wiring
• Check polarity of the B6 sensor
(green/white)
5.6.2 Time or temperature value
set changes up or down all by
itself after being set
• Movement of the selector dial was not
correctly recognised by the electronics
Move selector dial briefly in same direction
• Photosensor and receiver have no contact
with one another Align position
5.6.3 Temperature displays are
not correct: the higher the
temperature on the sensor, the
lower the temperature value
displayed
• Polarity incorrect Check the connection
leads of the sensor in question (green and
white wires must not be reversed)
-
-
5.6.4 Electronics can be
operated normally, but appliance
is not working
• Appliance is set to dummy version
• Main contactor defective
• see also point 5.5
5.6.5 Software hangs due to
buttons having been pressed
quickly several times
• Re-install software by pressing the On / Off
button for 5 secs. or by disconnecting from
the power supply for 10 secs.
5.7 Safety temperature limiter hot air heater (B7)
5.7.1 Safety temperature limiter
(B7) has tripped.
• Inner chamber temperature was over 300 °C
Heater contactor is burnt together
Replace contactor
• Check polarity of the B6 sensor
(green/white)
5.7.2 Safety temperature limiter
B7 is reacting too early.
• B7 defective
•
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