Water Pump Protection Error - Toyotomi KURO Mini Service Manual

18. Water pump protection error

Main check points:
(1) Water inlet/outlet of water pump (2) Water pump component and connection wire
(3) Component of liquid level switch (4) Main board
of liquid level switch component
Replace with a new controller
with the same model
Start
Water inlet/outlet is blocked
N
Wire connection
of liquid level switch is
abnormal
N
Water pump component
is abnormal
N
The resistance
is abnormal
N
End
(dehumidifier)
Clean the water inlet/outlet
Y
Eliminate
N
malfunction
Replace the wire connection
Y
of liquid level switch
Eliminate
N
malfunction
Replace water pump
Y
Eliminate
N
malfunction
Replace the liquid level switch
Y
Eliminate
N
malfunction
Y
Y
Y
Y