Daikin R30NUV1 - Page 92

Troubleshooting by Remote Controller Si20-701_B
85
Note:
If "A3" is detected by a PCB without X15A, the PCB is
defective.
Error
displayed again?
NO
YES
YES
Replace the float
switch.
Is the float
switch connected ?
NO
Connect the float
switch.
Replace the
indoor unit PCB.
Remove the float switch,
short circuit, and restart
operation.
A