Toyotomi KURO Mini Service Manual page 16

5.2 Malfunction of temperature and humidity sensor (dehumidifier)
Main check points:
(1) connection terminal (2) inspection board
Start
Check if the
connection terminal between the
inspection board and control board
is loose or not connected
well
N
Check whether
there is short circuit caused by the
tripped-over elements on the
control board
N
Replace the inspection
board with the same model
Eliminate
malfunction
N
Replace with a new controller
with the same model
End
(3) control board
Insert the inspection
Y
board
N
Put the elements
Y
uprightly
N
Y
Eliminate
Y
malfunction
Eliminate
Y
malfunction