Gas Leak Error(E554) - Samsung AE050JXYDEH Service Manual

Troubleshooting

4-5-9 GAS leak error(E554)

1. Check items
1) Is refrigerant charged?
2) Is the evaporator sensor of indoor unit connected correctly?
2. Check procedure
Does the error occur?
Is the value of resistance
between each phase(*) for compressor
smaller than 2
Are the service valves fully opened?
Is the evaporator sensor of
indoor unit connected correctly?
Is refrigerant charged?
Exchange INVERTER PCB
46
Yes
Ω?
(*) U↔V, V↔W, W↔U
Yes
Yes
Yes
Yes
No
No
Exchange the compressor
No
Open the service valves
No
Connect the sensor's connector
No
Normal operation
Charge refrigerant
Samsung Electronics