diff --git a/src/main/java/com/eactive/eai/outbound/DefaultProcess.java b/src/main/java/com/eactive/eai/outbound/DefaultProcess.java
index 79005e1..a3f5cb9 100644
--- a/src/main/java/com/eactive/eai/outbound/DefaultProcess.java
+++ b/src/main/java/com/eactive/eai/outbound/DefaultProcess.java
@@ -257,7 +257,11 @@ public abstract class DefaultProcess extends Process {
 				if(isAsyncSyncPattern()){
 					StandardMessage standardMessage = this.resEaiMsg.getStandardMessage();
 					standardMessage.setBizData(this.resObject, this.outboundCharset);
-					this.logPssSno = 500;
+					if ( StringUtils.isNotBlank(resEaiMsg.getRspErrCd()) ) {
+						this.logPssSno = 900;
+					} else {
+						this.logPssSno = 500;
+					}
 					logSenderCtrlSendRes();
 				}
 				// SA