diff --git a/devicetypes/drzwave/ezmultipli.src/.st-ignore b/devicetypes/drzwave/ezmultipli.src/.st-ignore
new file mode 100644
index 0000000..f78b46e
--- /dev/null
+++ b/devicetypes/drzwave/ezmultipli.src/.st-ignore
@@ -0,0 +1,2 @@
+.st-ignore
+README.md
diff --git a/devicetypes/drzwave/ezmultipli.src/README.md b/devicetypes/drzwave/ezmultipli.src/README.md
new file mode 100644
index 0000000..fa28c7c
--- /dev/null
+++ b/devicetypes/drzwave/ezmultipli.src/README.md
@@ -0,0 +1,44 @@
+# Express Controls EZMultiPli
+
+Works with: 
+
+* [Express Controls EZMultiPli](https://www.smartthings.com/works-with-smartthings/)
+
+## Table of contents
+
+* [Release Notes](#release-notes)
+* [Capabilities](#capabilities)
+* [Troubleshooting](#troubleshooting)
+
+## Release Notes
+
+* **2017-04-19** - _dkirker_ - Update default config values in config value range check functions, use lux if lum option is null, fix NullPointerException on initial pairing when color data has not been set (and set the default color data!)
+* **2017-04-10** - _DrZwave_ (with help from Donald Kirker) - changed fingerprint to the new format, lowered the OnTime and other parameters to be "more in line with ST user expectations", get the luminance in LUX so it reports in lux all the time.
+* **2016-10-06** - _erocm1231_ - Added "updated" method to run when configuration options are changed. Depending on model of unit, luminance is being reported as a relative percentace or as a lux value. Added the option to configure this in the handler.
+* **2016-01-28** - _erocm1231_ - Changed the configuration method to use scaledConfiguration so that it properly formatted negative numbers. Also, added configurationGet and a configurationReport method so that config values can be verified.
+* **2015-12-04** - _erocm1231_ - added range value to preferences as suggested by @Dela-Rick.
+* **2015-11-26** - _erocm1231_ - Fixed null condition error when adding as a new device. 
+* **2015-11-24** - _erocm1231_ - Added refresh command. Made a few changes to how the handler maps colors to the LEDs. Fixed the device not having its on/off status updated when colors are changed.
+* **2015-11-23** - _erocm1231_ - Changed the look to match SmartThings v2 devices. 
+* **2015-11-21** - _erocm1231_ - Made code much more efficient. Also made it compatible when setColor is passed a hex value. Mapping of special colors: Soft White - Default - Yellow, White - Concentrate - White, Daylight - Energize - Teal, Warm White - Relax - Yellow
+* **2015-11-19** - _erocm1231_ - Fixed a couple incorrect colors, changed setColor to be more compatible with other apps
+* **2015-11-18** - _erocm1231_ - Added to setColor for compatibility with Smart Lighting
+* **v0.1.0** - _DrZWave_ - chose better icons, Got color LED to work - first fully functional version
+* **v0.0.9** - _jrs_ - got the temp and luminance to work. Motion works. Debugging the color wheel.
+* **v0.0.8** - _DrZWave_ 2/25/2015 - change the color control to be tiles since there are only 8 colors.
+* **v0.0.7** - _jrs_ - 02/23/2015 - Jim Sulin
+
+## Capabilities
+
+* **Actuator** - represents that a Device has commands
+* **Sensor** - detects sensor events
+* **Motion Sensor** - can detect motion
+* **Temperature Measurement** - defines device measures current temperature
+* **Illuminance Measurement** - gives the illuminance reading from devices that support it
+* **Switch** - can detect state (possible values: on/off)
+* **Color Control** - represents that the color attributes of a device can be controlled (hue, saturation, color value
+* **Configuration** - configure() command called when device is installed or device preferences updated
+* **Refresh** - refresh() command for status updates
+
+## Troubleshooting
+
diff --git a/devicetypes/drzwave/ezmultipli.src/ezmultipli.groovy b/devicetypes/drzwave/ezmultipli.src/ezmultipli.groovy
index f86774d..879580a 100644
--- a/devicetypes/drzwave/ezmultipli.src/ezmultipli.groovy
+++ b/devicetypes/drzwave/ezmultipli.src/ezmultipli.groovy
@@ -2,27 +2,6 @@
 // Motion Sensor - Temperature - Light level - 8 Color Indicator LED - Z-Wave Range Extender - Wall Powered
 // driver for SmartThings
 // The EZMultiPli is also known as the HSM200 from HomeSeer.com
-//
-// 2017-04-10 - DrZwave (with help from Don Kirker) - changed fingerprint to the new format, lowered the OnTime 
-//              and other parameters to be "more in line with ST user expectations", get the luminance in LUX so it reports in lux all the time.
-// 2016-10-06 - erocm1231 - Added "updated" method to run when configuration options are changed. Depending on model of unit, luminance is being
-//              reported as a relative percentace or as a lux value. Added the option to configure this in the handler.
-// 2016-01-28 - erocm1231 - Changed the configuration method to use scaledConfiguration so that it properly formatted negative numbers.
-//              Also, added configurationGet and a configurationReport method so that config values can be verified.
-// 2015-12-04 - erocm1231 - added range value to preferences as suggested by @Dela-Rick.
-// 2015-11-26 - erocm1231 - Fixed null condition error when adding as a new device. 
-// 2015-11-24 - erocm1231 - Added refresh command. Made a few changes to how the handler maps colors to the LEDs. Fixed 
-//              the device not having its on/off status updated when colors are changed.
-// 2015-11-23 - erocm1231 - Changed the look to match SmartThings v2 devices. 
-// 2015-11-21 - erocm1231 - Made code much more efficient. Also made it compatible when setColor is passed a hex value.
-//              Mapping of special colors: Soft White - Default - Yellow, White - Concentrate - White, 
-//              Daylight - Energize - Teal, Warm White - Relax - Yellow
-// 2015-11-19 - erocm1231 - Fixed a couple incorrect colors, changed setColor to be more compatible with other apps
-// 2015-11-18 - erocm1231 - Added to setColor for compatibility with Smart Lighting
-// v0.1.0 - DrZWave - chose better icons, Got color LED to work - first fully functional version
-// v0.0.9 - jrs - got the temp and luminance to work. Motion works. Debugging the color wheel.
-// v0.0.8 - DrZWave 2/25/2015 - change the color control to be tiles since there are only 8 colors.
-// v0.0.7 - jrs - 02/23/2015 - Jim Sulin
 
 metadata {
 	definition (name: "EZmultiPli", namespace: "DrZWave", author: "Eric Ryherd", oauth: true) {
@@ -131,7 +110,6 @@ metadata {
 
 } // end metadata
 
-
 // Parse incoming device messages from device to generate events
 def parse(String description){
 	//log.debug "==> New Zwave Event: ${description}"
@@ -145,7 +123,7 @@ def parse(String description){
     
     def statusTextmsg = ""
     if (device.currentState('temperature') != null && device.currentState('illuminance') != null) {
-		statusTextmsg = "${device.currentState('temperature').value} ° - ${device.currentState('illuminance').value} ${(lum == "" || lum == null || lum == 1) ? "%" : "LUX"}"
+		statusTextmsg = "${device.currentState('temperature').value} ° - ${device.currentState('illuminance').value} ${(lum == 1) ? "%" : "LUX"}"
     	sendEvent("name":"statusText", "value":statusTextmsg, displayed:false)
 	}
     if (result != [null] && result != []) log.debug "Parse returned ${result}"
@@ -168,7 +146,7 @@ def zwaveEvent(physicalgraph.zwave.commands.sensormultilevelv5.SensorMultilevelR
 			break;
 		case 0x03 :				// SENSOR_TYPE_LUMINANCE_VERSION_1
 			map.value = cmd.scaledSensorValue.toInteger().toString()
-            if(lum == "" || lum == null || lum == 1) map.unit = "%"
+            if(lum == 1) map.unit = "%"
             else map.unit = "lux"
 			map.name = "illuminance"
 			log.debug "Luminance report"
@@ -203,7 +181,8 @@ def zwaveEvent(physicalgraph.zwave.commands.notificationv3.NotificationReport cm
 }
 
 def zwaveEvent(physicalgraph.zwave.commands.basicv1.BasicReport cmd) {
-    if (cmd.value == 0 && device.latestState("color").value != "#ffffff") {
+    // The EZMultiPli sets the color back to #ffffff on "off" or at init, so update the ST device to reflect this.
+    if (device.latestState("color") == null || (cmd.value == 0 && device.latestState("color").value != "#ffffff")) {
         sendEvent(name: "color", value: "#ffffff", displayed: true)
     }
     [name: "switch", value: cmd.value ? "on" : "off", type: "digital"]
@@ -296,12 +275,12 @@ def zwaveEvent(physicalgraph.zwave.Command cmd) {
 // ensure we are passing acceptable param values for LiteMin & TempMin configs
 def checkLiteTempInput(value) {
 	if (value == null) {
-    	value=60
+    	value=6
     }
     def liteTempVal = value.toInteger()
     switch (liteTempVal) {
       case { it < 0 }:
-        return 60			// bad value, set to default
+        return 6			// bad value, set to default
         break
       case { it > 127 }:
         return 127			// bad value, greater then MAX, set to MAX
@@ -314,12 +293,12 @@ def checkLiteTempInput(value) {
 // ensure we are passing acceptable param value for OnTime config
 def checkOnTimeInput(value) {
 	if (value == null) {
-    	value=10
+    	value=2
     }
     def onTimeVal = value.toInteger()
     switch (onTimeVal) {
       case { it < 0 }:
-        return 10			// bad value set to default
+        return 2			// bad value set to default
         break
       case { it > 127 }:
         return 127			// bad value, greater then MAX, set to MAX
diff --git a/devicetypes/smartthings/arrival-sensor-ha.src/.st-ignore b/devicetypes/smartthings/arrival-sensor-ha.src/.st-ignore
new file mode 100644
index 0000000..f78b46e
--- /dev/null
+++ b/devicetypes/smartthings/arrival-sensor-ha.src/.st-ignore
@@ -0,0 +1,2 @@
+.st-ignore
+README.md
diff --git a/devicetypes/smartthings/arrival-sensor-ha.src/README.md b/devicetypes/smartthings/arrival-sensor-ha.src/README.md
new file mode 100644
index 0000000..41cbdbe
--- /dev/null
+++ b/devicetypes/smartthings/arrival-sensor-ha.src/README.md
@@ -0,0 +1,50 @@
+# Arrival Sensor HA (2016+ Model)
+
+Cloud Execution
+
+Works with:
+
+* [Samsung SmartThings Arrival Sensor](https://support.smartthings.com/hc/en-us/articles/212417083-Samsung-SmartThings-Arrival-Sensor)
+
+## Table of contents
+
+* [Capabilities](#capabilities)
+* [Health](#device-health)
+* [Battery](#battery)
+* [Troubleshooting](#troubleshooting)
+
+
+## Capabilities
+
+* **Tone** - beep command to allow an audible tone
+* **Actuator** - device has commands
+* **Presence Sensor** - device tells presence with enum - {present, not present}
+* **Sensor** - device has attributes
+* **Battery** - defines device uses a battery
+* **Configuration** - _configure()_ command called when device is installed or device preferences updated
+* **Health Check** - indicates ability to get device health notifications
+
+
+## Device Health
+
+Arrival Sensor ZigBee is an untracked device. Sends broadcast of battery level every 20 seconds.
+Disconnects when Hub goes OFFLINE.
+
+
+## Battery
+
+Uses 1 CR2032 Battery
+
+* [Changing the Battery](https://support.smartthings.com/hc/en-us/articles/200907400-How-to-change-the-battery-in-the-SmartSense-Presence-Sensor-and-Samsung-SmartThings-Arrival-Sensor)
+
+
+## Troubleshooting
+
+If the device doesn't pair when trying from the SmartThings mobile app, it is possible that the arrival sensor is out of range.
+Pairing needs to be tried again by placing the sensor closer to the hub.
+
+* [Samsung SmartThings Arrival Sensor Troubleshooting Tips](https://support.smartthings.com/hc/en-us/articles/205382134-Samsung-SmartThings-Arrival-Sensor-2015-model-)
+
+If the arrival sensor doesn't update its status, here are a few things you can try to debug.
+
+* [Troubleshooting: Samsung SmartThings Arrival Sensor won't update its status](https://support.smartthings.com/hc/en-us/articles/200846514-Troubleshooting-Samsung-SmartThings-Arrival-Sensor-won-t-update-its-status)
\ No newline at end of file
diff --git a/devicetypes/smartthings/arrival-sensor-ha.src/arrival-sensor-ha.groovy b/devicetypes/smartthings/arrival-sensor-ha.src/arrival-sensor-ha.groovy
index c434d3d..4099b2a 100644
--- a/devicetypes/smartthings/arrival-sensor-ha.src/arrival-sensor-ha.groovy
+++ b/devicetypes/smartthings/arrival-sensor-ha.src/arrival-sensor-ha.groovy
@@ -1,3 +1,5 @@
+import groovy.json.JsonOutput
+
 /**
  *  Copyright 2017 SmartThings
  *
@@ -19,6 +21,7 @@ metadata {
         capability "Sensor"
         capability "Battery"
         capability "Configuration"
+        capability "Health Check"
 
         fingerprint inClusters: "0000,0001,0003,000F,0020", outClusters: "0003,0019",
                         manufacturer: "SmartThings", model: "tagv4", deviceJoinName: "Arrival Sensor"
@@ -58,6 +61,11 @@ def updated() {
     startTimer()
 }
 
+def installed() {
+    // Arrival sensors only goes OFFLINE when Hub is off
+    sendEvent(name: "DeviceWatch-Enroll", value: JsonOutput.toJson([protocol: "zigbee", scheme:"untracked"]), displayed: false)
+}
+
 def configure() {
     def cmds = zigbee.readAttribute(zigbee.POWER_CONFIGURATION_CLUSTER, 0x0020) + zigbee.batteryConfig(20, 20, 0x01)
     log.debug "configure -- cmds: ${cmds}"
diff --git a/devicetypes/smartthings/arrival-sensor.src/.st-ignore b/devicetypes/smartthings/arrival-sensor.src/.st-ignore
new file mode 100644
index 0000000..f78b46e
--- /dev/null
+++ b/devicetypes/smartthings/arrival-sensor.src/.st-ignore
@@ -0,0 +1,2 @@
+.st-ignore
+README.md
diff --git a/devicetypes/smartthings/arrival-sensor.src/README.md b/devicetypes/smartthings/arrival-sensor.src/README.md
new file mode 100644
index 0000000..0ec5084
--- /dev/null
+++ b/devicetypes/smartthings/arrival-sensor.src/README.md
@@ -0,0 +1,49 @@
+# Arrival Sensor (2015 Model)
+
+Cloud Execution
+
+Works with:
+
+* [Arrival Sensor](https://www.smartthings.com/products/samsung-smartthings-arrival-sensor)
+
+## Table of contents
+
+* [Capabilities](#capabilities)
+* [Health](#device-health)
+* [Battery](#battery)
+* [Troubleshooting](#troubleshooting)
+
+
+## Capabilities
+
+* **Tone** - beep command to allow an audible tone
+* **Actuator** - device has commands
+* **Signal Strength** - device can read the strength of signal- lqi: Link Quality Indication, rssi: Received Signal Strength Indication
+* **Presence Sensor** - device tells presence with enum - {present, not present}
+* **Sensor** - device has attributes
+* **Battery** - defines device uses a battery
+* **Health Check** - indicates ability to get device health notifications
+
+
+## Device Health
+
+Arrival Sensor ZigBee is an untracked device. Disconnects when Hub goes OFFLINE.
+
+
+## Battery
+
+Uses 1 CR2032 Battery
+
+* [Changing the Battery](https://support.smartthings.com/hc/en-us/articles/200907400-How-to-change-the-battery-in-the-SmartSense-Presence-Sensor-and-Samsung-SmartThings-Arrival-Sensor)
+
+
+## Troubleshooting
+
+If the device doesn't pair when trying from the SmartThings mobile app, it is possible that the arrival sensor is out of range.
+Pairing needs to be tried again by placing the sensor closer to the hub.
+
+* [Samsung SmartThings Arrival Sensor Troubleshooting Tips](https://support.smartthings.com/hc/en-us/articles/205382134-Samsung-SmartThings-Arrival-Sensor-2015-model-)
+
+If the arrival sensor doesn't update its status, here are a few things you can try to debug.
+
+* [Troubleshooting: Samsung SmartThings Arrival Sensor won't update its status](https://support.smartthings.com/hc/en-us/articles/200846514-Troubleshooting-Samsung-SmartThings-Arrival-Sensor-won-t-update-its-status)
\ No newline at end of file
diff --git a/devicetypes/smartthings/arrival-sensor.src/arrival-sensor.groovy b/devicetypes/smartthings/arrival-sensor.src/arrival-sensor.groovy
index 4fbd53d..40a8475 100644
--- a/devicetypes/smartthings/arrival-sensor.src/arrival-sensor.groovy
+++ b/devicetypes/smartthings/arrival-sensor.src/arrival-sensor.groovy
@@ -1,3 +1,5 @@
+import groovy.json.JsonOutput
+
 /**
  *  Copyright 2015 SmartThings
  *
@@ -19,6 +21,7 @@ metadata {
 		capability "Presence Sensor"
 		capability "Sensor"
 		capability "Battery"
+		capability "Health Check"
 
 		fingerprint profileId: "FC01", deviceId: "019A"
 		fingerprint profileId: "FC01", deviceId: "0131", inClusters: "0000,0003", outClusters: "0003"
@@ -111,6 +114,11 @@ def beep() {
 	]
 }
 
+def installed() {
+	// Arrival sensors only goes OFFLINE when Hub is off
+	sendEvent(name: "DeviceWatch-Enroll", value: JsonOutput.toJson([protocol: "zigbee", scheme:"untracked"]), displayed: false)
+}
+
 def parse(String description) {
 	def results
 	if (isBatteryMessage(description)) {
diff --git a/devicetypes/smartthings/dimmer-switch.src/dimmer-switch.groovy b/devicetypes/smartthings/dimmer-switch.src/dimmer-switch.groovy
index 7c658c1..74ce052 100644
--- a/devicetypes/smartthings/dimmer-switch.src/dimmer-switch.groovy
+++ b/devicetypes/smartthings/dimmer-switch.src/dimmer-switch.groovy
@@ -12,7 +12,7 @@
  *
  */
 metadata {
-	definition (name: "Dimmer Switch", namespace: "smartthings", author: "SmartThings", ocfDeviceType: "oic.d.switch") {
+	definition (name: "Dimmer Switch", namespace: "smartthings", author: "SmartThings", ocfDeviceType: "oic.d.light") {
 		capability "Switch Level"
 		capability "Actuator"
 		capability "Indicator"
diff --git a/devicetypes/smartthings/smartsense-multi-sensor.src/smartsense-multi-sensor.groovy b/devicetypes/smartthings/smartsense-multi-sensor.src/smartsense-multi-sensor.groovy
index 033708a..2629724 100644
--- a/devicetypes/smartthings/smartsense-multi-sensor.src/smartsense-multi-sensor.groovy
+++ b/devicetypes/smartthings/smartsense-multi-sensor.src/smartsense-multi-sensor.groovy
@@ -33,7 +33,6 @@ metadata {
 		fingerprint inClusters: "0000,0001,0003,0402,0500,0020,0B05,FC02", outClusters: "0019", manufacturer: "CentraLite", model: "3320"
 		fingerprint inClusters: "0000,0001,0003,0402,0500,0020,0B05,FC02", outClusters: "0019", manufacturer: "CentraLite", model: "3321"
 		fingerprint inClusters: "0000,0001,0003,0402,0500,0020,0B05,FC02", outClusters: "0019", manufacturer: "CentraLite", model: "3321-S", deviceJoinName: "Multipurpose Sensor"
-		fingerprint inClusters: "0000,0001,0003,0020,0402,0500,0B05", outClusters: "0019", manufacturer: "CentraLite", model: "3323-G", deviceJoinName: "Centralite Micro Door Sensor"
 		fingerprint inClusters: "0000,0001,0003,000F,0020,0402,0500,FC02", outClusters: "0019", manufacturer: "SmartThings", model: "multiv4", deviceJoinName: "Multipurpose Sensor"
 
 		attribute "status", "string"
diff --git a/devicetypes/smartthings/smartsense-open-closed-sensor.src/smartsense-open-closed-sensor.groovy b/devicetypes/smartthings/smartsense-open-closed-sensor.src/smartsense-open-closed-sensor.groovy
index fc08a0a..45ea1c0 100644
--- a/devicetypes/smartthings/smartsense-open-closed-sensor.src/smartsense-open-closed-sensor.groovy
+++ b/devicetypes/smartthings/smartsense-open-closed-sensor.src/smartsense-open-closed-sensor.groovy
@@ -31,6 +31,7 @@ metadata {
 		fingerprint inClusters: "0000,0001,0003,0402,0500,0020,0B05", outClusters: "0019", manufacturer: "CentraLite", model: "3300-S"
 		fingerprint inClusters: "0000,0001,0003,0402,0500,0020,0B05", outClusters: "0019", manufacturer: "CentraLite", model: "3300"
 		fingerprint inClusters: "0000,0001,0003,0020,0402,0500,0B05", outClusters: "0019", manufacturer: "CentraLite", model: "3320-L", deviceJoinName: "Iris Contact Sensor"
+		fingerprint inClusters: "0000,0001,0003,0020,0402,0500,0B05", outClusters: "0019", manufacturer: "CentraLite", model: "3323-G", deviceJoinName: "Centralite Micro Door Sensor"
 	}
 
 	simulator {
diff --git a/devicetypes/smartthings/zwave-metering-dimmer.src/zwave-metering-dimmer.groovy b/devicetypes/smartthings/zwave-metering-dimmer.src/zwave-metering-dimmer.groovy
index 05a2737..401be0b 100644
--- a/devicetypes/smartthings/zwave-metering-dimmer.src/zwave-metering-dimmer.groovy
+++ b/devicetypes/smartthings/zwave-metering-dimmer.src/zwave-metering-dimmer.groovy
@@ -16,7 +16,7 @@
  *
  */
 metadata {
-	definition (name: "Z-Wave Metering Dimmer", namespace: "smartthings", author: "SmartThings", ocfDeviceType: "oic.d.switch") {
+	definition (name: "Z-Wave Metering Dimmer", namespace: "smartthings", author: "SmartThings", ocfDeviceType: "oic.d.light") {
 		capability "Switch"
 		capability "Polling"
 		capability "Power Meter"
diff --git a/smartapps/smartthings/wattvision-manager.src/wattvision-manager.groovy b/smartapps/smartthings/wattvision-manager.src/wattvision-manager.groovy
index ad81049..fbb8034 100644
--- a/smartapps/smartthings/wattvision-manager.src/wattvision-manager.groovy
+++ b/smartapps/smartthings/wattvision-manager.src/wattvision-manager.groovy
@@ -136,10 +136,20 @@ def getDataForChild(child, startDate, endDate) {
 
 	def wattvisionURL = wattvisionURL(child.deviceNetworkId, startDate, endDate)
 	if (wattvisionURL) {
-		httpGet(uri: wattvisionURL) { response ->
-			def json = new org.json.JSONObject(response.data.toString())
-			child.addWattvisionData(json)
-			return "success"
+		try {
+			httpGet(uri: wattvisionURL) { response ->
+				def json = new org.json.JSONObject(response.data.toString())
+				child.addWattvisionData(json)
+				return "success"
+			}
+		} catch (groovyx.net.http.HttpResponseException httpE) {
+			log.error "Wattvision getDataForChild HttpResponseException: ${httpE} -> ${httpE.response.data}"
+			//log.debug "wattvisionURL = ${wattvisionURL}"
+			return "fail"
+		} catch (e) {
+			log.error "Wattvision getDataForChild General Exception: ${e}"
+			//log.debug "wattvisionURL = ${wattvisionURL}"
+			return "fail"
 		}
 	}
 }
@@ -164,9 +174,14 @@ def wattvisionURL(senorId, startDate, endDate) {
 	if (diff > 259200000) { // 3 days in milliseconds
 		// Wattvision only allows pulling 3 hours of data at a time
 		startDate = new Date(hours: endDate.hours - 3)
+	} else if (diff < 10000) { // 10 seconds in milliseconds
+		// Wattvision throws errors when the difference between start_time and end_time is 5 seconds or less
+		// So we are going to make sure that we have a few more seconds of breathing room
+		use (groovy.time.TimeCategory) {
+			startDate = endDate - 10.seconds
+		}
 	}
 
-
 	def params = [
 		"sensor_id" : senorId,
 		"api_id"    : wattvisionApiAccess.id,
@@ -480,4 +495,3 @@ def connectionSuccessful(deviceName, iconSrc) {
 
 	render contentType: 'text/html', data: html
 }
-