diff --git a/ui-ngx/src/app/core/utils.ts b/ui-ngx/src/app/core/utils.ts
index 4018fd491f..c310693b03 100644
--- a/ui-ngx/src/app/core/utils.ts
+++ b/ui-ngx/src/app/core/utils.ts
@@ -20,7 +20,7 @@ import { finalize, share } from 'rxjs/operators';
 import { Datasource, DatasourceData, FormattedData, ReplaceInfo } from '@app/shared/models/widget.models';
 import { EntityId } from '@shared/models/id/entity-id';
 import { NULL_UUID } from '@shared/models/id/has-uuid';
-import { EntityType, baseDetailsPageByEntityType } from '@shared/models/entity-type.models';
+import { baseDetailsPageByEntityType, EntityType } from '@shared/models/entity-type.models';
 import { HttpErrorResponse } from '@angular/common/http';
 import { TranslateService } from '@ngx-translate/core';
 import { serverErrorCodesTranslations } from '@shared/models/constants';
@@ -126,15 +126,6 @@ export function isString(value: any): boolean {
   return typeof value === 'string';
 }
 
-export function isEmpty(obj: any): boolean {
-  for (const key of Object.keys(obj)) {
-    if (Object.prototype.hasOwnProperty.call(obj, key)) {
-      return false;
-    }
-  }
-  return true;
-}
-
 export function isLiteralObject(value: any) {
   return (!!value) && (value.constructor === Object);
 }
@@ -320,9 +311,29 @@ export function extractType<T extends object>(target: any, keysOfProps: (keyof T
   return _.pick(target, keysOfProps);
 }
 
-export function isEqual(a: any, b: any): boolean {
-  return _.isEqual(a, b);
-}
+export const isEqual = (a: any, b: any): boolean => _.isEqual(a, b);
+
+export const isEmpty = (a: any): boolean => _.isEmpty(a);
+
+export const isEqualIgnoreUndefined = (a: any, b: any): boolean => {
+  if (a === b) {
+    return true;
+  }
+  if (isDefinedAndNotNull(a) && isDefinedAndNotNull(b)) {
+    return isEqual(a, b);
+  } else {
+    return (isUndefinedOrNull(a) || !a) && (isUndefinedOrNull(b) || !b);
+  }
+};
+
+export const isArraysEqualIgnoreUndefined = (a: any[], b: any[]): boolean => {
+  const res = isEqualIgnoreUndefined(a, b);
+  if (!res) {
+    return (isUndefinedOrNull(a) || !a?.length) && (isUndefinedOrNull(b) || !b?.length);
+  } else {
+    return res;
+  }
+};
 
 export function mergeDeep<T>(target: T, ...sources: T[]): T {
   return _.merge(target, ...sources);
diff --git a/ui-ngx/src/app/modules/home/components/alarm/alarm-filter-config.component.html b/ui-ngx/src/app/modules/home/components/alarm/alarm-filter-config.component.html
index cbf1da82f6..7502ea7791 100644
--- a/ui-ngx/src/app/modules/home/components/alarm/alarm-filter-config.component.html
+++ b/ui-ngx/src/app/modules/home/components/alarm/alarm-filter-config.component.html
@@ -33,6 +33,13 @@
   <form fxLayout="column" class="mat-content mat-padding" (ngSubmit)="update()">
     <ng-container *ngTemplateOutlet="alarmFilter"></ng-container>
     <div fxLayout="row" class="tb-panel-actions" fxLayoutAlign="end center">
+      <button type="button"
+              mat-button
+              color="primary"
+              (click)="reset()">
+        {{ 'action.reset' | translate }}
+      </button>
+      <span fxFlex></span>
       <button type="button"
               mat-button
               (click)="cancel()">
diff --git a/ui-ngx/src/app/modules/home/components/alarm/alarm-filter-config.component.ts b/ui-ngx/src/app/modules/home/components/alarm/alarm-filter-config.component.ts
index 96f7717e3d..46402923a9 100644
--- a/ui-ngx/src/app/modules/home/components/alarm/alarm-filter-config.component.ts
+++ b/ui-ngx/src/app/modules/home/components/alarm/alarm-filter-config.component.ts
@@ -29,7 +29,7 @@ import {
   ViewContainerRef
 } from '@angular/core';
 import { ControlValueAccessor, NG_VALUE_ACCESSOR, UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
-import { AlarmFilterConfig } from '@shared/models/query/query.models';
+import { AlarmFilterConfig, alarmFilterConfigEquals } from '@shared/models/query/query.models';
 import { coerceBoolean } from '@shared/decorators/coercion';
 import { ConnectedPosition, Overlay, OverlayConfig, OverlayRef } from '@angular/cdk/overlay';
 import { TemplatePortal } from '@angular/cdk/portal';
@@ -43,6 +43,7 @@ import {
 import { MatChipInputEvent } from '@angular/material/chips';
 import { COMMA, ENTER, SEMICOLON } from '@angular/cdk/keycodes';
 import { TranslateService } from '@ngx-translate/core';
+import { deepClone } from '@core/utils';
 
 export const ALARM_FILTER_CONFIG_DATA = new InjectionToken<any>('AlarmFilterConfigData');
 
@@ -50,6 +51,7 @@ export interface AlarmFilterConfigData {
   panelMode: boolean;
   userMode: boolean;
   alarmFilterConfig: AlarmFilterConfig;
+  initialAlarmFilterConfig?: AlarmFilterConfig;
 }
 
 // @dynamic
@@ -84,6 +86,9 @@ export class AlarmFilterConfigComponent implements OnInit, OnDestroy, ControlVal
   @Input()
   propagatedFilter = true;
 
+  @Input()
+  initialAlarmFilterConfig: AlarmFilterConfig;
+
   panelMode = false;
 
   readonly separatorKeysCodes: number[] = [ENTER, COMMA, SEMICOLON];
@@ -128,6 +133,10 @@ export class AlarmFilterConfigComponent implements OnInit, OnDestroy, ControlVal
       this.panelMode = this.data.panelMode;
       this.userMode = this.data.userMode;
       this.alarmFilterConfig = this.data.alarmFilterConfig;
+      this.initialAlarmFilterConfig = this.data.initialAlarmFilterConfig;
+      if (this.panelMode && !this.initialAlarmFilterConfig) {
+        this.initialAlarmFilterConfig = deepClone(this.alarmFilterConfig);
+      }
     }
     this.alarmFilterConfigForm = this.fb.group({
       statusList: [null, []],
@@ -169,6 +178,9 @@ export class AlarmFilterConfigComponent implements OnInit, OnDestroy, ControlVal
 
   writeValue(alarmFilterConfig?: AlarmFilterConfig): void {
     this.alarmFilterConfig = alarmFilterConfig;
+    if (!this.initialAlarmFilterConfig && alarmFilterConfig) {
+      this.initialAlarmFilterConfig = deepClone(alarmFilterConfig);
+    }
     this.updateButtonDisplayValue();
     this.updateAlarmConfigForm(alarmFilterConfig);
   }
@@ -214,6 +226,7 @@ export class AlarmFilterConfigComponent implements OnInit, OnDestroy, ControlVal
 
   update() {
     this.alarmConfigUpdated(this.alarmFilterConfigForm.value);
+    this.alarmFilterConfigForm.markAsPristine();
     if (this.panelMode) {
       this.panelResult = this.alarmFilterConfig;
     }
@@ -224,6 +237,25 @@ export class AlarmFilterConfigComponent implements OnInit, OnDestroy, ControlVal
     }
   }
 
+  reset() {
+    if (this.initialAlarmFilterConfig) {
+      if (this.buttonMode || this.panelMode) {
+        const alarmFilterConfig = this.alarmFilterConfigFromFormValue(this.alarmFilterConfigForm.value);
+        if (!alarmFilterConfigEquals(alarmFilterConfig, this.initialAlarmFilterConfig)) {
+          this.updateAlarmConfigForm(this.initialAlarmFilterConfig);
+          this.alarmFilterConfigForm.markAsDirty();
+        }
+      } else {
+        if (!alarmFilterConfigEquals(this.alarmFilterConfig, this.initialAlarmFilterConfig)) {
+          this.alarmFilterConfig = this.initialAlarmFilterConfig;
+          this.updateButtonDisplayValue();
+          this.updateAlarmConfigForm(this.alarmFilterConfig);
+          this.propagateChange(this.alarmFilterConfig);
+        }
+      }
+    }
+  }
+
   public alarmTypeList(): string[] {
     return this.alarmFilterConfigForm.get('typeList').value;
   }
@@ -270,7 +302,13 @@ export class AlarmFilterConfigComponent implements OnInit, OnDestroy, ControlVal
   }
 
   private alarmConfigUpdated(formValue: any) {
-    this.alarmFilterConfig = {
+    this.alarmFilterConfig = this.alarmFilterConfigFromFormValue(formValue);
+    this.updateButtonDisplayValue();
+    this.propagateChange(this.alarmFilterConfig);
+  }
+
+  private alarmFilterConfigFromFormValue(formValue: any): AlarmFilterConfig {
+    return {
       statusList: formValue.statusList,
       severityList: formValue.severityList,
       typeList: formValue.typeList,
@@ -278,8 +316,6 @@ export class AlarmFilterConfigComponent implements OnInit, OnDestroy, ControlVal
       assignedToCurrentUser: formValue.assigneeId === AlarmAssigneeOption.currentUser,
       assigneeId: formValue.assigneeId?.id ? formValue.assigneeId : null
     };
-    this.updateButtonDisplayValue();
-    this.propagateChange(this.alarmFilterConfig);
   }
 
   private updateButtonDisplayValue() {
diff --git a/ui-ngx/src/app/modules/home/components/widget/config/basic/alarm/alarms-table-basic-config.component.html b/ui-ngx/src/app/modules/home/components/widget/config/basic/alarm/alarms-table-basic-config.component.html
index a5cef1a649..52497e35ab 100644
--- a/ui-ngx/src/app/modules/home/components/widget/config/basic/alarm/alarms-table-basic-config.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/config/basic/alarm/alarms-table-basic-config.component.html
@@ -19,8 +19,15 @@
   <tb-timewindow-config-panel formControlName="timewindowConfig">
   </tb-timewindow-config-panel>
   <div class="tb-widget-config-panel">
-    <div class="tb-widget-config-panel-title" translate>alarm.filter</div>
-    <tb-alarm-filter-config buttonMode="false" formControlName="alarmFilterConfig"></tb-alarm-filter-config>
+    <div fxLayout="row" fxLayoutAlign="space-between center">
+      <div class="tb-widget-config-panel-title" translate>alarm.filter</div>
+      <button mat-button color="primary"
+        (click)="alarmFilterConfig.reset()">
+        {{ 'action.reset' | translate }}
+      </button>
+    </div>
+    <tb-alarm-filter-config #alarmFilterConfig buttonMode="false" formControlName="alarmFilterConfig"
+                            [initialAlarmFilterConfig]="{}"></tb-alarm-filter-config>
   </div>
   <tb-datasources
     [configMode]="basicMode"
diff --git a/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.html b/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.html
index ab7411488e..7f816e4593 100644
--- a/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.html
@@ -38,6 +38,7 @@
                                  datasourceFormGroup.get('type').value === datasourceType.alarmCount ? datasourceFormGroup.get('type').value : ''">
       <tb-alarm-filter-config *ngIf="datasourceFormGroup.get('type').value === datasourceType.alarmCount"
                               propagatedFilter="false"
+                              [initialAlarmFilterConfig]="{ statusList: [alarmSearchStatus.ACTIVE] }"
                               style="height: 56px; margin-bottom: 22px;"
                               formControlName="alarmFilterConfig"></tb-alarm-filter-config>
       <tb-entity-autocomplete *ngIf="datasourceFormGroup.get('type').value === datasourceType.device"
diff --git a/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.ts b/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.ts
index b1f203baaa..bc96bfd149 100644
--- a/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/config/datasource.component.ts
@@ -154,6 +154,8 @@ export class DatasourceComponent implements ControlValueAccessor, OnInit, Valida
   datasourceTypes: Array<DatasourceType> = [];
   datasourceTypesTranslations = datasourceTypeTranslationMap;
 
+  alarmSearchStatus = AlarmSearchStatus;
+
   datasourceFormGroup: UntypedFormGroup;
 
   private propagateChange = (_val: any) => {};
diff --git a/ui-ngx/src/app/modules/home/components/widget/lib/alarms-table-widget.component.ts b/ui-ngx/src/app/modules/home/components/widget/lib/alarms-table-widget.component.ts
index 0927114e1c..a0062645ac 100644
--- a/ui-ngx/src/app/modules/home/components/widget/lib/alarms-table-widget.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/lib/alarms-table-widget.component.ts
@@ -384,7 +384,7 @@ export class AlarmsTableWidgetComponent extends PageComponent implements OnInit,
     this.pageSizeOptions = [this.defaultPageSize, this.defaultPageSize * 2, this.defaultPageSize * 3];
     this.pageLink.pageSize = this.displayPagination ? this.defaultPageSize : 1024;
 
-    const alarmFilter = this.entityService.resolveAlarmFilter(this.widgetConfig.alarmFilterConfig);
+    const alarmFilter = this.entityService.resolveAlarmFilter(this.widgetConfig.alarmFilterConfig, false);
     this.pageLink = {...this.pageLink, ...alarmFilter};
 
     this.noDataDisplayMessageText =
@@ -624,7 +624,8 @@ export class AlarmsTableWidgetComponent extends PageComponent implements OnInit,
             searchPropagatedAlarms: this.pageLink.searchPropagatedAlarms,
             assignedToCurrentUser,
             assigneeId
-          }
+          },
+          initialAlarmFilterConfig: deepClone(this.widgetConfig.alarmFilterConfig)
         } as AlarmFilterConfigData
       },
       {
@@ -638,7 +639,7 @@ export class AlarmsTableWidgetComponent extends PageComponent implements OnInit,
     componentRef.onDestroy(() => {
       if (componentRef.instance.panelResult) {
         const result = componentRef.instance.panelResult;
-        const alarmFilter = this.entityService.resolveAlarmFilter(result);
+        const alarmFilter = this.entityService.resolveAlarmFilter(result, false);
         this.pageLink = {...this.pageLink, ...alarmFilter};
         this.resetPageIndex();
         this.updateData();
diff --git a/ui-ngx/src/app/modules/home/components/widget/widget-config.component.html b/ui-ngx/src/app/modules/home/components/widget/widget-config.component.html
index 5cddfd4639..e71e6ae745 100644
--- a/ui-ngx/src/app/modules/home/components/widget/widget-config.component.html
+++ b/ui-ngx/src/app/modules/home/components/widget/widget-config.component.html
@@ -207,8 +207,16 @@
         formControlName="timewindowConfig">
       </tb-timewindow-config-panel>
     </ng-container>
-    <div *ngIf="widgetType === widgetTypes.alarm" [formGroup]="dataSettings" class="tb-widget-config-panel" fxLayout="column" fxLayoutAlign="center">
-      <tb-alarm-filter-config buttonMode="false" formControlName="alarmFilterConfig"></tb-alarm-filter-config>
+    <div *ngIf="widgetType === widgetTypes.alarm" [formGroup]="dataSettings" class="tb-widget-config-panel">
+      <div fxLayout="row" fxLayoutAlign="space-between center">
+        <div class="tb-widget-config-panel-title" translate>alarm.filter</div>
+        <button mat-button color="primary"
+                (click)="alarmFilterConfig.reset()">
+          {{ 'action.reset' | translate }}
+        </button>
+      </div>
+      <tb-alarm-filter-config #alarmFilterConfig buttonMode="false"
+                              formControlName="alarmFilterConfig" [initialAlarmFilterConfig]="{}"></tb-alarm-filter-config>
     </div>
     <div *ngIf="widgetType !== widgetTypes.rpc &&
                 widgetType !== widgetTypes.alarm &&
diff --git a/ui-ngx/src/app/shared/models/query/query.models.ts b/ui-ngx/src/app/shared/models/query/query.models.ts
index 7c978fb4c9..5e4e7b3527 100644
--- a/ui-ngx/src/app/shared/models/query/query.models.ts
+++ b/ui-ngx/src/app/shared/models/query/query.models.ts
@@ -22,7 +22,15 @@ import { EntityInfo } from '@shared/models/entity.models';
 import { EntityType } from '@shared/models/entity-type.models';
 import { DataKey, Datasource, DatasourceType } from '@shared/models/widget.models';
 import { PageData } from '@shared/models/page/page-data';
-import { isDefined, isEqual } from '@core/utils';
+import {
+  isArraysEqualIgnoreUndefined,
+  isDefined,
+  isDefinedAndNotNull,
+  isEmpty,
+  isEqual,
+  isEqualIgnoreUndefined,
+  isUndefinedOrNull
+} from '@core/utils';
 import { TranslateService } from '@ngx-translate/core';
 import { AlarmInfo, AlarmSearchStatus, AlarmSeverity } from '../alarm.models';
 import { Filter } from '@material-ui/icons';
@@ -721,6 +729,36 @@ export interface AlarmFilterConfig extends AlarmFilter {
   assignedToCurrentUser?: boolean;
 }
 
+export const alarmFilterConfigEquals = (filter1?: AlarmFilterConfig, filter2?: AlarmFilterConfig): boolean => {
+  if (filter1 === filter2) {
+    return true;
+  }
+  if ((isUndefinedOrNull(filter1) || isEmpty(filter1)) && (isUndefinedOrNull(filter2) || isEmpty(filter2))) {
+    return true;
+  } else if (isDefinedAndNotNull(filter1) && isDefinedAndNotNull(filter2)) {
+    if (!isArraysEqualIgnoreUndefined(filter1.typeList, filter2.typeList)) {
+      return false;
+    }
+    if (!isArraysEqualIgnoreUndefined(filter1.statusList, filter2.statusList)) {
+      return false;
+    }
+    if (!isArraysEqualIgnoreUndefined(filter1.severityList, filter2.severityList)) {
+      return false;
+    }
+    if (!isEqualIgnoreUndefined(filter1.assigneeId, filter2.assigneeId)) {
+      return false;
+    }
+    if (!isEqualIgnoreUndefined(filter1.searchPropagatedAlarms, filter2.searchPropagatedAlarms)) {
+      return false;
+    }
+    if (!isEqualIgnoreUndefined(filter1.assignedToCurrentUser, filter2.assignedToCurrentUser)) {
+      return false;
+    }
+    return true;
+  }
+  return false;
+};
+
 export type AlarmCountQuery = EntityCountQuery & AlarmFilter;
 
 export type AlarmDataPageLink = EntityDataPageLink & AlarmFilter;
diff --git a/ui-ngx/src/assets/locale/locale.constant-en_US.json b/ui-ngx/src/assets/locale/locale.constant-en_US.json
index 501a15a4cb..ac78048f16 100644
--- a/ui-ngx/src/assets/locale/locale.constant-en_US.json
+++ b/ui-ngx/src/assets/locale/locale.constant-en_US.json
@@ -67,7 +67,8 @@
         "more": "More",
         "less": "Less",
         "skip": "Skip",
-        "send": "Send"
+        "send": "Send",
+        "reset": "Reset"
     },
     "aggregation": {
         "aggregation": "Aggregation",