15
Maintenance
Service Manual
2.Malfunction of humidity sensor L1
Trouble shooting for malfunction
of humidity sensor
Humidity sensor is not
connected well with mainboard
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
End
check the connection
Is malfunction
eliminated?
Is malfunction
Is malfunction
eliminated?
eliminated?
Replace the display board
with the same model
Replace the humidity
sensor board
Is the humidity
sensor normal according to the
Resistance Table?
Eliminate short
circuit phenomenon
The foot of humidity sensor
is short-circuit or the display board
is short circuit
