Evi Eev Open Error - Samsung AM017HN1DEH/EU Service Manual

Troubleshooting

4-4-62 EVI EEV Open error

Outdoor unit display
Indoor unit display
Criteria . DSH <10 °C, EVI Out-in <= 0°C & frequency> 65Hz 40 minutes maintaining
. EVI EEV and Intercooler leakage, excessive refrigerant amount, Outdoor Check Valve inserted opposite.
Cause of problem
. Indoor Unit EEV leakage, direct connection between Indoor Liquid Pipe and the Gas Pipe.
Indoor EEV leakage can be easily checked during the operation of cooling operation and during the not-go-end blast operation.
(In case it is normal, the EVA In and Out temperatures for the blast may rise.)
If cooling operation is operated for low temperature with excessive refrigerant amount, then the DSH may descend.
1. Cause of problem
Is EVI EEV connector accurately connected to PCB?
Check the Indoor Unit EEV leakage
Check the connection for Indoor Unit Pipe
(Connect liquid pipe-gas pipe directly)
386
Yes
Is EEV coil accurately installed?
Yes
Check the EVI EEV leakage.
Yes
Check the Intercooler leakage.
Normal
Normal
Check the refrigerant
-
No
Reconnect connector
No
Reassemble coil
No
Replace EVI EEV
Breakdown
Replace Intercooler
Breakdown
Replace Indoor Unit EEV
Reinstall pipe
Samsung Electronics