diff --git a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/components/MultiSelectDropdown.js b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/components/MultiSelectDropdown.js
index 2dee653169fd2a6dd2dcb784c24cee21e1b801cc..ae32feaab32cdb0fd55bd3c53c4e72d484316fb6 100644
--- a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/components/MultiSelectDropdown.js
+++ b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/components/MultiSelectDropdown.js
@@ -7,11 +7,12 @@ class SelectableOption extends Component {
     selectedItem = () => {this.props.onSelectedItem(this.props.value)}
 
     render(){
-        const selectMark = this.props.isSelected ? <IsSelectIcon style={{float: "right", marginTop:".2em"}}/> : undefined
+        const selectMark = this.props.isSelected ? <IsSelectIcon style={{marginTop: '.2em', float: 'right'}}/> : undefined
         const jsx = (
-            <DropdownItem onClick={this.selectedItem}>
-                <span>{this.props.children}</span>
+            <DropdownItem onClick={this.selectedItem} style={{float: 'left'}}>
                 {selectMark}
+                <span>{this.props.children}</span>
+
             </DropdownItem>
         )
         return jsx
@@ -28,13 +29,21 @@ export class MultiSelectDropdown extends Component{
         }
     }
     // Toggle the dropdown state
-    toggle = () => this.setState({isOpen:!this.state.isOpen})
+    toggle = () => {
+
+        this.setState({isOpen:!this.state.isOpen})
+    }
 
     itemSelected = (e) => {
-        const newSelectedItems = this.state.selectedItems
-        newSelectedItems[e] = !newSelectedItems[e]
-        this.setState({selectedItems: newSelectedItems})
-        this.props.onSelectionChange(this.getSelectedItemsList())
+        if (e === 'all'){
+            this.setState({selectedItems: {}})
+            this.props.onSelectionChange([])
+        }else{
+            const newSelectedItems = this.state.selectedItems
+            newSelectedItems[e] = !newSelectedItems[e]
+            this.setState({selectedItems: newSelectedItems})
+            this.props.onSelectionChange(this.getSelectedItemsList())
+        }
     }
 
     getSelectedItemsList () {
@@ -45,10 +54,11 @@ export class MultiSelectDropdown extends Component{
         const selectedItemsList = this.getSelectedItemsList()
         if(selectedItemsList.length === 0 ){
             return this.props.placeHolder;
-        }else if(selectedItemsList.length === 1){
-            return selectedItemsList[0]
+        }else if(selectedItemsList.length <= 4){
+            return selectedItemsList.join(', ')
         }else {
-            return `${selectedItemsList[0]}, ...`
+            const firstFour = selectedItemsList.slice(0, 4)
+            return firstFour.join(', ') + ', ...'
         }
     }
 
@@ -58,9 +68,24 @@ export class MultiSelectDropdown extends Component{
         return false
     }
 
+    componentDidMount() {
+        const selectedItems = this.state.selectedItems
+        let update = false
+        if(this.props.selectedItems === undefined) return
+        for(let item of this.props.selectedItems){
+            if(!selectedItems.hasOwnProperty(item) || !selectedItems[item] ){
+                selectedItems[item] = true
+                update = true
+            }
+        }
+
+        if(update) this.setState({selectedItems: selectedItems})
+    }
 
     render(){
-        const options = this.props.options.map((item, key) => <SelectableOption key={key} value={item.value} isSelected={this.isItemSelected(item.value)} onSelectedItem={this.itemSelected}>{item.label}</SelectableOption>)
+        let allOptions = [{value:'all', label:'<ALL>'}].concat(this.props.options)
+        let options = allOptions.map((item, key) => <SelectableOption key={key} value={item.value} isSelected={this.isItemSelected(item.value)} onSelectedItem={this.itemSelected}>{item.label}</SelectableOption>)
+
         const jsx = (
             <Dropdown  isOpen={this.state.isOpen} toggle={this.toggle} className={this.props.className}>
                 <DropdownToggle caret>
diff --git a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/pages/LandingPage.js b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/pages/LandingPage.js
index 9785ecb51e842800f757518cc28504aac8bbbdbd..65a8e0d0988ff1c7a27a0115c819fb96ecfd2849 100644
--- a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/pages/LandingPage.js
+++ b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/pages/LandingPage.js
@@ -81,6 +81,7 @@ class ToolBarC extends Component {
                     className="form-input"
                     placeHolder="All"
                     options={errorTypes}
+                    selectedItems={this.props.selectedErrorTypes}
                     onSelectionChange={(e)=> this.onSelectionErrorTypes(e)}/>
             </Form>
         </div>);
@@ -115,7 +116,7 @@ class LandingPageC extends Component {
             errors_only: this.props.errorsOnly,
             n_station_tests: 4,
             n_rtsm: 4,
-            error_types: this.props.errorTypes
+            error_types: this.props.selectedErrorTypes
         });
 
         return `${url}?${parametersString}`;
@@ -131,7 +132,7 @@ class LandingPageC extends Component {
             // ---- Optional parameters
             station_group: this.props.selectedStationGroup,
             errors_only: this.props.errorsOnly,
-            error_types: this.props.errorTypes
+            error_types: this.props.selectedErrorTypes
         });
 
         return `${url}?${parametersString}`;
@@ -147,7 +148,7 @@ class LandingPageC extends Component {
         // ---- Optional parameters
         parameters.station_group = this.props.selectedStationGroup
         parameters.errors_only = this.props.errorsOnly
-        parameters.error_types = this.props.errorTypes
+        parameters.error_types = this.props.selectedErrorTypes
         const parametersString = composeQueryString(parameters)
 
         return `${url}&${parametersString}`;
@@ -172,7 +173,7 @@ class LandingPageC extends Component {
         parameters.errors_only = this.props.errorsOnly
         parameters.station_group = this.props.selectedStationGroup
         parameters.test_type = test_type
-        parameters.error_types = this.props.errorTypes
+        parameters.error_types = this.props.selectedErrorTypes
         const parametersString = composeQueryString(parameters)
 
         return `${url}&${parametersString}`;
diff --git a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/redux/reducers/mainFilters.js b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/redux/reducers/mainFilters.js
index 97134b276e30b97d798414dfbb15e5552e977d5a..ef52320124f903e15fc190f904b747a0614ea1c8 100644
--- a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/redux/reducers/mainFilters.js
+++ b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/redux/reducers/mainFilters.js
@@ -11,7 +11,7 @@ const initialState = {
     period: 7,             // days
     startDate: moment().subtract(7, 'days'),
     endDate: moment(),
-    errorTypes: []
+    selectedErrorTypes: []
 };
 
 
@@ -77,7 +77,7 @@ export default function(state = initialState, action) {
 
             return {
                 ...state,
-                errorTypes: type_list
+                selectedErrorTypes: type_list
             }
         }
         default:
diff --git a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar-styles.css b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar-styles.css
index 8299bf97e06b92469b9cfc22cb925a0aa0cad2fa..a918e9a86f104bbf038ef21050bf4421c2a0dd8d 100644
--- a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar-styles.css
+++ b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar-styles.css
@@ -110,3 +110,6 @@
   background-color: white !important;
   color: black !important;
   border: none; }
+
+.form-input button:hover {
+  background-color: #e1e1e1 !important; }
diff --git a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar-styles.scss b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar-styles.scss
index ca65f46782ddabbfbbff2e3b94441d32ad8dbf38..5674f114c5e8fe43173fca7b90c5c4838d9a5407 100644
--- a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar-styles.scss
+++ b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar-styles.scss
@@ -129,3 +129,7 @@ $griditem-color: $secondary-dark;
     color: black !important;
     border: none;
 }
+
+.form-input button:hover {
+    background-color: $secondary-light !important;
+}
diff --git a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar.css b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar.css
index 255b22d2bc9caf6463807d9755cf668c03119adf..659512c93c48ee55f795dd187646f978e2bc1d1b 100644
--- a/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar.css
+++ b/LCU/Maintenance/MDB_WebView/maintenancedb_view/src/themes/lofar.css
@@ -6429,3 +6429,6 @@ a.text-dark:hover, a.text-dark:focus {
   background-color: white !important;
   color: black !important;
   border: none; }
+
+.form-input button:hover {
+  background-color: #e1e1e1 !important; }