Esc Eev Open Error (Error Code : E438) - Samsung AM036TXMDCH Service Manual

correctly connected to the PBA?
Is EEV coil correctly connected?
Check the leakage on ESC EEV
Check the leakage on sub-cooler
Check the piping connection
Check the amount of refrigerant
44
Is the ESC EEV connector
Yes
Yes
Normal
Normal
Check the leakage on
indoor unit EEV
Normal
Connect liquid-gas pipe)
No
Check and connect the connector
No
Check and assemble the coil
Failure
Change the ESC EEV
Failure
Change the sub-cooler
Failure
Change the indoor unit EEV
Re-install the pipe
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