Replace the back
cooling fan
YES
NO
NO
Test 1
Test 2
Measure the temperature in
the back side of the oven near
the power board
(with the back panel closed)
with an external certified probe
YES
Is the
temperature over
70 °C (158 °F)?
YES
Is the oven
close to an external
heating source?
Replace the power
board
NO
Reverse the position of
the back cooling fan
inside its case
WF06 power board
over heating warning
(T > 60 °C / 158 °F)
Replace the power
board
Replace the cable
Te st the
back cooling fan
by measuring the power
supply on the connection
of the cooling fan, with the multimeter
set to VAC.
Does the back cooling fan
receive the
230 V AC power
supply?
NO
NO
Te st the oven and
investigate the possible
causes of overheating such
as oven installation,
external heating sources
YES
Is it from the
inside to the
outside of the
unit?
YES
Does the back
cooling fan run?
Check the cable from
P6 to the back cooling
fan PIN to PIN
Do you have the
electrical
continuity?
YES
NO
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