diff --git a/DataNonVolatile.h b/DataNonVolatile.h
index 5d1c289..b9c33c2 100644
--- a/DataNonVolatile.h
+++ b/DataNonVolatile.h
@@ -9,7 +9,7 @@
 #include "HVAC_preDefine.h"
 
 #define DEVICE_DATA_VERSION_CALIB 0x01
-#define DEVICE_DATA_VERSION_PARAM 0x02
+#define DEVICE_DATA_VERSION_PARAM 0x01
 
 // BCD в двоичное число
 #define bcd_to_binary(bcd) (((bcd >> 4) * 10) + (bcd & 0x0F))
diff --git a/DataNonVolatile_InitDeviceSetting.c b/DataNonVolatile_InitDeviceSetting.c
index 59aafb7..3642311 100644
--- a/DataNonVolatile_InitDeviceSetting.c
+++ b/DataNonVolatile_InitDeviceSetting.c
@@ -13,13 +13,14 @@ void DeviceStorageInitDeviceSettings(tDeviceSettings *env) {
 
     memcpy(&env->identification.Internal_SW_Version, &firmwareMetaMap_Main->internal_SW_Version,
            sizeof(tInternal_SW_Version));
+
     memcpy(&env->identification.Boot_SW_Fingerprint, &firmwareMetaMap_Boot->fingerprint, sizeof(tFingerprintDev));
     memcpy(&env->identification.Application_SW_Fingerprint, &firmwareMetaMap_Main->fingerprint, sizeof(tFingerprintDev));
 
     env->identification.Tester_Fingerprint.year = 0x18;
     env->identification.Tester_Fingerprint.month = 0x10;
     env->identification.Tester_Fingerprint.day = 0x16;
-    memcpy(&env->identification.Tester_Fingerprint.tester_serial, "123456789",
+    memcpy(&env->identification.Tester_Fingerprint.tester_serial, "987654321",
            sizeof(env->identification.Tester_Fingerprint.tester_serial));
 
     memset(&env->identification.Status_CCU_Configuration, 0xFF, sizeof(tStatus_CCU_Configuration));