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Samsung Electronics
4-33
Indoor unit display
X (Operation) X (Defrost)
X (Timer)
(Fan)
(Filter)
Wire remote controller display
E153
Symptom
2nd Detection of the float switch
Failure
Float switch open
4-7-6 float switch(Open)
No
No
Yes
Is the resistance 0Ω ?
Yes
Is the wire connector
disconnected from the PCB?(CN411)
Replace the PCB and restart the unit
Connect the connector to PCB
restart the unit
Replace the float switch and
restart the unit
Remove the wire connector from the PCB
and measure the resistance between two
terminals
Summary of Contents for AC052HBLDKH
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