Troubleshooting
Samsung Electronics 33
4-3-11 ESC EEV open error (Error Code : E438)
※ Indoor EEV leakage can be easily checked during the cooling operation of one room and during the ventilated operation of stationary
side. (In case it is normal, the EVA In and Out temperatures for the ventilated side may rise.)
※ If cooling operation is operated for low temperature with excessive refrigerant amount, then the DSH may descend.
1. How to check
Check the amount of refrigerant
No
Check and connect the connector
Is the ESC EEV connector
correctly connected to the PBA?
Yes
No
Check and assemble the coil
Is EEV coil correctly connected?
Yes
Failure
Replace the sub-cooler
Check the leakage on sub-cooler
Normal
Check the leakage on
indoor unit EEV
Failure
Replace the indoor unit EEV
Normal
Re-install the pipe
Check the piping connection
Connect liquid-gas pipe)
Failure
Replace the ESC EEV
Check the leakage on ESC EEV
Normal
To Next Page
Loading...
