FUMES BOARD TEMPERATURE
Move the oven faraway
from the external
heating source
Check the direction
of the air flux
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 gas
fumes board
NO
Reverse the position of
the back cooling fan
inside its case
WF31 power board
overheating warning
Replace the power
board
Te st the
back cooling fan
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?
OVEN
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