10.3.1.4 Open or short circuit of temperature sensor(IDU E4/E5/EH 60/EH 61)
10.3.1.5 Water-level alarm malfunction(IDU EE)
If the water-level switch
is inserted well?
No Insert the water-level switch well
If the water-level switch
is broken?
Yes Replace the water-level switch
Replace the water pump, If
malfunction is still not
solved
Yes
No
Yes
Replace the indoor main PCB
Power off, then restart the unit 2 minutes
later. Is it still displaying the error code?
Yes