Samsung AC140RXADNG - Page 203

Troubleshooting
Samsung Electronics 4-47
Gas leakage error (Error Code : E554)(Cont.)
Open the valve.
Yes
Reconnect the sensor connector.
No
No
Is the indoor EVA sensor correctly
connected?
Yes
Charge the refrigerant.
No
Is refrigerant charged?
Replace the inverter PCB.
Continue
Yes
Yes
Is service valve fully opened?