Electrolux Professional S.p.A.
Ovens Platform Customer Support
Technical Training & Service
AOS OVENS - Service Manual
(595889300 – ENG)
Oven Problem
Analysis Probable
anomaly
Checks/causes
The problem occurs
on all the burners
(cavity and boiler)
Inversion of Phase-
Neutral
Check cables on main
terminal board
Change the ignition
device with one working
device to check if the
problem persists
AOS
gas
The burners switch
on only for few
seconds and then
they switch off
The problem occurs
only on a cavity
burner or on boiler
burner
Detection problem
Check detection rod and
integrity of relevant cable
Water level probes
covered with scale or
other
Check water level probes
Broken probe cable
Check continuity of the
cable
Water level probe are
not detecting water
Water level system
on main board not
working
Make a short between
X25/26-1 and X25/26-3:
the fast filling valve has to
close; make a short
between X25/26-2 and
X25/26-3: the slow filling
valve has to close. If this
is not happening change
main board but before
check also next point
Oven is always
loading water, water
in the cavity
overflowing from the
boiler
Noise on ground
circuit
Bad ground
connection of some
devices inside the
oven, mainly the
switching feeder
TR_Fx or TR_HC are
not connected to
ground
Check the ground
connections
AOS
gas
File: AOS service manual (ENG).008
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