Samsung AC071MN4PKH - Page 92

Troubleshooting
4-52
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?