Thermal Fuse Open Error - Samsung AC030JN4DCH Service Manual

Indoor unit display
Symptom
Failure
PCB between wire correctly
Measure both ends of connector
connected the TERMINAL BLOCK.
Paragraph (Short) Has the connector ends?
Samsung Electronics
X (Operation) (Defrost)

Thermal Fuse Open Error

Check the connection of the CN140 wire.
Check the connection of the terminal block.
(Temperature rise by untightening a screw/ Termal Fuse open
E198 occurs.
Is the CN140 connector of
connected?
No
No
Replace the MAIN PBA.
(Timer) (Filter)
Yes
Re-operation after the connector.
Troubleshooting
4-23