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14.
Troubleshooting
Indoor failure diagnose
[08] Indoor drainage system failure/float switch circuit on indoor PCB failure
[1/2/3/4/15] Indoor sensor failure
If CN13 is fixed well
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Reconnect
If float switch works
Modify the wiring
and the circuit
If CN4 is
with AC220V
voltage
If water pump works
Check indoor PCB and
replace it if necessary
Check water pump
If water
pump is electrified
Modify the wiring
and the circuit
Replace water pump
If sensor terminal is fixed well
Reconnect
If sensor resistor
/characteristic is proper
Replace sensor
Check if PCB is faulty,
if yes, replace it