Friedrich MRM09Y1J, Service & Parts Manual

Page: 92 / 135

92 PB
TROUBLESHOOTING
Malfunction of Temperature Sensor F1, F2
Troubleshooting for
F1,F2 malfunction
yes
Insert the temperature
sensor tightly
Is
the wiring terminal between the
temperature sensor and the controller
loosened or poorly contacted?
eliminated
Is malfunction
Is there short circuit due to trip -over of
the parts?
yes
Make the parts upright
eliminated
Is malfunction
Replace the mainboard
with the same model.
End
no
no
no
Is the
temperature sensor normal according
to the Re sistance
Table?
no
yes
yes
Replace it with a
temperature sensor
with the same model
removed
Is malfunction
no
yes
yes
no