Samsung RHF025EE Service Manual page 72

Erv (energy recovery ventilator)
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9-4-9 Thermal Fuse Open Error in Power Therminal Block
Error Mode
Thermal fuse open error in power therminal block
Display
Check Method
Scanning the error when thermal fuse in power therminal block is opened
Cause
Check the connection of terminal block(Temperature rise by screw loosening)
Sensor SPEC.
Is the CN140 Connector of PCB correctly
Check both ends of the connector connected
Is the ends of the connector shorted?
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Occurring E198.
connected to wire?
No
terminal block.
No
No
Replace MAIN PBA.
Yes
Restart after connecting
connector.
9-11

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