diff --git a/go/lab/dut_state.pb.go b/go/lab/dut_state.pb.go
index 15a7cfb..fbf31df 100644
--- a/go/lab/dut_state.pb.go
+++ b/go/lab/dut_state.pb.go
@@ -20,32 +20,69 @@
 // proto package needs to be updated.
 const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
-// Next Tag: 5
+// Next Tag: 13
 type PeripheralState int32
 
 const (
-	// keep for all unknown states except working & not_connected.
-	PeripheralState_UNKNOWN       PeripheralState = 0
-	PeripheralState_WORKING       PeripheralState = 1
+	// Please keep for all unknown states.
+	PeripheralState_UNKNOWN PeripheralState = 0
+	// Device and software on it is working as expected.
+	PeripheralState_WORKING PeripheralState = 1
+	// Configuration for device is not provided.
+	PeripheralState_MISSING_CONFIG PeripheralState = 5
+	// Configuration contains incorrect information.
+	PeripheralState_WRONG_CONFIG PeripheralState = 4
+	// Device is not connected/plugged.
 	PeripheralState_NOT_CONNECTED PeripheralState = 2
-	PeripheralState_BROKEN        PeripheralState = 3
-	PeripheralState_WRONG_CONFIG  PeripheralState = 4
+	// Device is not reachable over ssh.
+	PeripheralState_NO_SSH PeripheralState = 6
+	// Device is broken or not working as expected. the state used if no specified state for the issue.
+	PeripheralState_BROKEN PeripheralState = 3
+	// Device cannot be repaired or required manual attention to fix/replace it.
+	PeripheralState_NEED_REPLACEMENT PeripheralState = 7
+	// Servo specific states.
+	// Servod daemon cannot start on servo-host because cr50 testlab not enabled.
+	PeripheralState_CCD_TESTLAB_ISSUE PeripheralState = 8
+	// Servod daemon cannot start on servo-host.
+	PeripheralState_SERVOD_ISSUE PeripheralState = 9
+	// device lid is not open.
+	PeripheralState_LID_OPEN_FAILED PeripheralState = 10
+	// the ribbon cable between servo and DUT is broken or not connected.
+	PeripheralState_BAD_RIBBON_CABLE PeripheralState = 11
+	// the EC on the DUT has issue.
+	PeripheralState_EC_BROKEN PeripheralState = 12
 )
 
 var PeripheralState_name = map[int32]string{
-	0: "UNKNOWN",
-	1: "WORKING",
-	2: "NOT_CONNECTED",
-	3: "BROKEN",
-	4: "WRONG_CONFIG",
+	0:  "UNKNOWN",
+	1:  "WORKING",
+	5:  "MISSING_CONFIG",
+	4:  "WRONG_CONFIG",
+	2:  "NOT_CONNECTED",
+	6:  "NO_SSH",
+	3:  "BROKEN",
+	7:  "NEED_REPLACEMENT",
+	8:  "CCD_TESTLAB_ISSUE",
+	9:  "SERVOD_ISSUE",
+	10: "LID_OPEN_FAILED",
+	11: "BAD_RIBBON_CABLE",
+	12: "EC_BROKEN",
 }
 
 var PeripheralState_value = map[string]int32{
-	"UNKNOWN":       0,
-	"WORKING":       1,
-	"NOT_CONNECTED": 2,
-	"BROKEN":        3,
-	"WRONG_CONFIG":  4,
+	"UNKNOWN":           0,
+	"WORKING":           1,
+	"MISSING_CONFIG":    5,
+	"WRONG_CONFIG":      4,
+	"NOT_CONNECTED":     2,
+	"NO_SSH":            6,
+	"BROKEN":            3,
+	"NEED_REPLACEMENT":  7,
+	"CCD_TESTLAB_ISSUE": 8,
+	"SERVOD_ISSUE":      9,
+	"LID_OPEN_FAILED":   10,
+	"BAD_RIBBON_CABLE":  11,
+	"EC_BROKEN":         12,
 }
 
 func (x PeripheralState) String() string {
@@ -274,43 +311,48 @@
 func init() { proto.RegisterFile("lab/dut_state.proto", fileDescriptor_bfe5ddd3f74c848d) }
 
 var fileDescriptor_bfe5ddd3f74c848d = []byte{
-	// 600 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x93, 0x6f, 0x4f, 0x1a, 0x4f,
-	0x10, 0xc7, 0x3d, 0x10, 0x95, 0x51, 0x64, 0x5d, 0xfc, 0x73, 0xbf, 0x5f, 0xda, 0xc4, 0x98, 0x34,
-	0x31, 0x26, 0x05, 0x63, 0x63, 0xdb, 0xf8, 0xec, 0xe0, 0xb6, 0x42, 0xc0, 0xbd, 0xcb, 0x8a, 0x90,
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-	0x2c, 0x82, 0x5a, 0x38, 0x4d, 0x79, 0x92, 0x8a, 0x54, 0x56, 0x27, 0x5a, 0xa5, 0x0a, 0xe7, 0x63,
-	0x11, 0xfc, 0xff, 0x26, 0x53, 0x06, 0x23, 0xad, 0x1e, 0xa4, 0x4a, 0x78, 0x28, 0x67, 0xd1, 0x40,
-	0xf2, 0x28, 0x9c, 0x5b, 0x4e, 0x7e, 0x16, 0x60, 0xcb, 0x9d, 0xa6, 0xb7, 0x19, 0x85, 0xdf, 0x41,
-	0x2e, 0x0a, 0x6d, 0xeb, 0xd8, 0x3a, 0xdd, 0xbe, 0x38, 0xa8, 0xc6, 0x22, 0xa8, 0x36, 0x0c, 0xe7,
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-	0x8e, 0xad, 0xd3, 0xdd, 0x8b, 0x7d, 0xe3, 0xf4, 0xa5, 0x8e, 0x26, 0x23, 0xa9, 0x45, 0x6c, 0xee,
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-	0x5f, 0xda, 0x70, 0x13, 0x0e, 0xc4, 0x34, 0x8c, 0x14, 0x8f, 0x95, 0x9a, 0x04, 0x62, 0x70, 0xcf,
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-	0x20, 0x9d, 0x48, 0xa9, 0xed, 0xc2, 0xb1, 0x75, 0x5a, 0x60, 0x87, 0x0b, 0xbd, 0xfe, 0x2c, 0xd7,
-	0x8d, 0x8a, 0x3f, 0x02, 0x0c, 0xf4, 0xe5, 0x39, 0x9f, 0x8c, 0x44, 0x22, 0xed, 0x0d, 0x53, 0xf8,
-	0xc8, 0x14, 0x7e, 0x9e, 0x56, 0xb5, 0xc1, 0x2e, 0xcf, 0xfd, 0x4c, 0x66, 0xc5, 0xcc, 0x6a, 0x8e,
-	0xf8, 0x0a, 0x76, 0x0c, 0x77, 0x2f, 0x9f, 0xb8, 0x1c, 0xcf, 0xec, 0x4d, 0x43, 0xda, 0x7f, 0x93,
-	0x6d, 0xf9, 0x44, 0xc6, 0x33, 0x66, 0xaa, 0xcc, 0xcf, 0xf8, 0x13, 0x94, 0x92, 0x54, 0x69, 0x31,
-	0x94, 0xf3, 0x2d, 0xda, 0x5b, 0x06, 0xc6, 0x06, 0x6e, 0x0a, 0x1d, 0x3e, 0x0a, 0x2d, 0xe7, 0xdd,
-	0xee, 0x2c, 0x8c, 0xf3, 0xbd, 0x5d, 0x41, 0xd9, 0x4c, 0x9b, 0x4f, 0x93, 0x60, 0x81, 0x16, 0xff,
-	0x89, 0x96, 0x8c, 0xf5, 0x2e, 0x09, 0x4c, 0x78, 0x42, 0xa1, 0xf8, 0xd2, 0x08, 0x3e, 0x04, 0x9c,
-	0x05, 0xdc, 0x6f, 0x3a, 0xb7, 0x84, 0xb7, 0x68, 0xcf, 0xe9, 0xb4, 0x5c, 0xb4, 0x86, 0x0f, 0x60,
-	0x6f, 0x25, 0xef, 0x33, 0xe2, 0xf7, 0xba, 0xc8, 0xc2, 0x18, 0x76, 0x57, 0xd3, 0xbd, 0x2e, 0xca,
-	0x9d, 0xf8, 0x00, 0xcb, 0xf6, 0xf0, 0x11, 0x54, 0x8c, 0xa3, 0x4d, 0xbe, 0x12, 0xda, 0x5b, 0xb9,
-	0x71, 0x1f, 0xd0, 0xaa, 0xe0, 0x33, 0xcf, 0x45, 0x16, 0xae, 0x40, 0x79, 0x35, 0xeb, 0x92, 0x1e,
-	0xca, 0x9d, 0x7d, 0x87, 0xf2, 0x1f, 0xcb, 0xc6, 0xdb, 0xb0, 0x79, 0x47, 0xdb, 0xd4, 0xeb, 0x53,
-	0xb4, 0x96, 0x05, 0x7d, 0x8f, 0xb5, 0x5b, 0xf4, 0x1a, 0x59, 0x78, 0x0f, 0x4a, 0xd4, 0xeb, 0xf2,
-	0x86, 0x47, 0x29, 0x69, 0x74, 0x89, 0x8b, 0x72, 0x18, 0x60, 0xa3, 0xce, 0xbc, 0x36, 0xa1, 0x28,
-	0x8f, 0x11, 0xec, 0xf4, 0x99, 0x47, 0xaf, 0x33, 0xc3, 0x97, 0xd6, 0x35, 0x5a, 0x3f, 0xd3, 0x50,
-	0xfa, 0x6d, 0x3e, 0xd9, 0xcb, 0x9a, 0x0e, 0x73, 0xfb, 0x0e, 0x23, 0x7c, 0x59, 0xa4, 0x02, 0xe5,
-	0x97, 0x2c, 0xf5, 0xd8, 0x8d, 0xd3, 0x41, 0x56, 0xd6, 0xdd, 0x4b, 0xd2, 0x69, 0x34, 0x88, 0xdf,
-	0x75, 0xea, 0x1d, 0x82, 0x72, 0xf8, 0x2d, 0xfc, 0xb7, 0x74, 0x13, 0xe2, 0x72, 0x46, 0xfc, 0x8e,
-	0xd3, 0x20, 0x37, 0x84, 0x76, 0x51, 0xbe, 0x5e, 0xfb, 0xf6, 0x7e, 0xa8, 0xaa, 0xe6, 0x4f, 0x46,
-	0xd3, 0x87, 0xaa, 0xd2, 0xc3, 0xda, 0x73, 0xa0, 0x92, 0x5a, 0x34, 0xfe, 0xa1, 0x45, 0xcd, 0x7c,
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-	0x19, 0x0c, 0x6a, 0x0c, 0xe6, 0x03, 0x00, 0x00,
+	// 687 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x94, 0xdf, 0x6f, 0xe2, 0x46,
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+	0x5c, 0xc6, 0xd1, 0xf4, 0x9e, 0x27, 0x72, 0x31, 0xcb, 0x84, 0xfe, 0xfe, 0x0d, 0xbe, 0xa7, 0x10,
+	0x77, 0x4b, 0xd8, 0x0a, 0xc0, 0xbf, 0x83, 0xfe, 0x28, 0xf3, 0xfb, 0x74, 0x31, 0xe3, 0x71, 0xb6,
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+	0x79, 0x9b, 0x37, 0x9f, 0xd3, 0xa6, 0xca, 0xe2, 0x5f, 0x01, 0xa6, 0xf9, 0xe5, 0x57, 0xbe, 0x9c,
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+	0x42, 0xeb, 0xa5, 0x11, 0xfc, 0x19, 0x70, 0x15, 0x70, 0x7f, 0x68, 0x04, 0x84, 0x3b, 0x74, 0x6c,
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+	0xc3, 0x87, 0x7d, 0x79, 0x1c, 0xa2, 0xda, 0xa9, 0x0f, 0xb0, 0x6b, 0x0f, 0x7f, 0x81, 0x9e, 0x72,
+	0x8c, 0xc8, 0x1f, 0x84, 0x8e, 0xf7, 0x6e, 0xfc, 0x04, 0x68, 0x3f, 0xe1, 0x33, 0xcf, 0x46, 0x1a,
+	0xee, 0x41, 0x77, 0x5f, 0xb5, 0xc9, 0x18, 0xd5, 0xce, 0xff, 0xd1, 0xa0, 0xfb, 0x6a, 0xdb, 0xf8,
+	0x08, 0x0e, 0xee, 0xe8, 0x88, 0x7a, 0x13, 0x8a, 0xde, 0x55, 0xc1, 0xc4, 0x63, 0x23, 0x87, 0xde,
+	0x6c, 0xde, 0x74, 0xeb, 0x04, 0x81, 0x43, 0x6f, 0xb8, 0xe5, 0xd1, 0x6b, 0xe7, 0x06, 0x35, 0x30,
+	0x82, 0xf6, 0x84, 0x79, 0x3b, 0xe5, 0x3d, 0xfe, 0x08, 0x1d, 0xea, 0x85, 0x55, 0x4c, 0x89, 0x15,
+	0x12, 0x1b, 0xd5, 0x30, 0x40, 0x93, 0x7a, 0x3c, 0x08, 0x86, 0xa8, 0x59, 0x9d, 0x4d, 0xe6, 0x8d,
+	0x08, 0x45, 0xf5, 0xea, 0xa5, 0x94, 0x10, 0x9b, 0x33, 0xe2, 0xbb, 0x86, 0x45, 0x6e, 0x09, 0x0d,
+	0xd1, 0x81, 0x9a, 0x88, 0x65, 0xf3, 0x90, 0x04, 0xa1, 0x6b, 0x98, 0xdc, 0x09, 0x82, 0x3b, 0x82,
+	0x0e, 0xab, 0x4a, 0x01, 0x61, 0x63, 0xcf, 0xde, 0x2a, 0xad, 0xaa, 0x25, 0xd7, 0xb1, 0xb9, 0xe7,
+	0x13, 0xca, 0xaf, 0x0d, 0xc7, 0x25, 0x36, 0x82, 0xea, 0x4e, 0xd3, 0xb0, 0x39, 0x73, 0x4c, 0xd3,
+	0xa3, 0xdc, 0x32, 0x4c, 0x97, 0xa0, 0x23, 0xdc, 0x81, 0x16, 0xb1, 0xf8, 0xb6, 0x70, 0xfb, 0x3c,
+	0x87, 0xce, 0x7f, 0x36, 0x57, 0x51, 0x43, 0x83, 0xd9, 0x13, 0x83, 0x11, 0xbe, 0xeb, 0xbe, 0x07,
+	0xdd, 0x17, 0x95, 0x7a, 0xec, 0xd6, 0x70, 0x91, 0x56, 0xcd, 0xfd, 0x45, 0x34, 0x2c, 0x8b, 0xf8,
+	0xa1, 0xaa, 0x51, 0xc3, 0x3f, 0xc2, 0x77, 0x3b, 0xf7, 0xeb, 0xb6, 0xea, 0xe6, 0xe0, 0xcf, 0x9f,
+	0x67, 0xb2, 0xaf, 0x7e, 0x8b, 0x74, 0xf5, 0xd0, 0x97, 0xf9, 0x6c, 0xf0, 0x1c, 0xc8, 0x62, 0x90,
+	0x2e, 0xfe, 0xca, 0xa3, 0x81, 0xfa, 0x38, 0x06, 0x33, 0x39, 0xc8, 0xa2, 0x38, 0x6e, 0xaa, 0xe8,
+	0x97, 0x7f, 0x03, 0x00, 0x00, 0xff, 0xff, 0x01, 0x10, 0x1d, 0xb7, 0x80, 0x04, 0x00, 0x00,
 }
diff --git a/src/lab/dut_state.proto b/src/lab/dut_state.proto
index ed99ada..e80bb2d 100644
--- a/src/lab/dut_state.proto
+++ b/src/lab/dut_state.proto
@@ -53,14 +53,36 @@
   HardwareState servo_usb_state = 9;
 }
 
-// Next Tag: 5
+// Next Tag: 13
 enum PeripheralState {
-  // keep for all unknown states except working & not_connected.
+  // Please keep for all unknown states.
   UNKNOWN = 0;
+  // Device and software on it is working as expected.
   WORKING = 1;
-  NOT_CONNECTED = 2;
-  BROKEN = 3;
+  // Configuration for device is not provided.
+  MISSING_CONFIG = 5;
+  // Configuration contains incorrect information.
   WRONG_CONFIG = 4;
+  // Device is not connected/plugged.
+  NOT_CONNECTED = 2;
+  // Device is not reachable over ssh.
+  NO_SSH = 6;
+  // Device is broken or not working as expected. the state used if no specified state for the issue.
+  BROKEN = 3;
+  // Device cannot be repaired or required manual attention to fix/replace it.
+  NEED_REPLACEMENT = 7;
+
+  // Servo specific states.
+  // Servod daemon cannot start on servo-host because cr50 testlab not enabled.
+  CCD_TESTLAB_ISSUE = 8;
+  // Servod daemon cannot start on servo-host.
+  SERVOD_ISSUE = 9;
+  // device lid is not open.
+  LID_OPEN_FAILED = 10;
+  // the ribbon cable between servo and DUT is broken or not connected.
+  BAD_RIBBON_CABLE = 11;
+  // the EC on the DUT has issue.
+  EC_BROKEN = 12;
 }
 
 // Next Tag: 4