Samsung DVM S ECO BIG Series Service Manual page 92

Troubleshooting
■ EVI (ESC) EEV leakage or internal leakage of intercooler or incorrect connector insertion of
EVI (ESC) EEV. (E-438)
Is EVI EEV connector
accurately connected to
Is EEV coil accurately
Check the EVI EEV
Check the Intercooler
Check the Indoor Unit
EEV leakage
Check the connection
for Indoor Unit Pipe
(Connect liquid pipe -
gas pipe directly)
Check the refrigerant
4-50
PCB?
Yes
installed?
Yes
leakage .
Yes
leakage.
Normal
Normal
Normal
No
No
Refill refrigerant after vacuum
No
Breakdown
Breakdown
Breakdown
Reconnect connector
Replace EVI EEV
Replace Intercooler
Replace Indoor Unit EEV
Reinstall pipe
Samsung Electronics