diff --git a/src/ATBAPP/DeviceControllerDiag.cpp b/src/ATBAPP/DeviceControllerDiag.cpp
index 2a5f89f..7ca3742 100644
--- a/src/ATBAPP/DeviceControllerDiag.cpp
+++ b/src/ATBAPP/DeviceControllerDiag.cpp
@@ -230,6 +230,9 @@ void DeviceControllerDiag::sub_componentAssessment()
     // -----------------------------------------------------------------------------------------------
 
     switch (devPara.kindOfCoinChecker) {
+        case 0:
+            this->coinProcessorType = nsDeviceControllerInterface::COIN_PROCESSOR::NONE;
+            break;
         case 1:
         case 2:
             this->coinProcessorType = nsDeviceControllerInterface::COIN_PROCESSOR::ESCROW;
diff --git a/src/ATBAPP/DeviceControllerInterface.h b/src/ATBAPP/DeviceControllerInterface.h
index c195860..f5ed5ba 100644
--- a/src/ATBAPP/DeviceControllerInterface.h
+++ b/src/ATBAPP/DeviceControllerInterface.h
@@ -234,7 +234,8 @@ namespace nsDeviceControllerInterface {
 
     enum class COIN_PROCESSOR : quint8 {
         CHANGER,
-        ESCROW
+        ESCROW,
+        NONE
     };
 
     enum class BILL_ACCEPTOR  : quint8 {