diff --git a/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.js b/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.js
index c54ef4a..09af0cf 100644
--- a/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.js
+++ b/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.js
@@ -41,7 +41,6 @@
 			frm.set_value({ status: 'Draft' });
 		}
 		if (frm.doc.__islocal) {
-			frm.doc.maintenance_type == 'Unscheduled' && frm.clear_table("purposes");
 			frm.set_value({ mntc_date: frappe.datetime.get_today() });
 		}
 	},
diff --git a/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.json b/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.json
index ec32239..4a6aa0a 100644
--- a/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.json
+++ b/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.json
@@ -179,8 +179,7 @@
    "label": "Purposes",
    "oldfieldname": "maintenance_visit_details",
    "oldfieldtype": "Table",
-   "options": "Maintenance Visit Purpose",
-   "reqd": 1
+   "options": "Maintenance Visit Purpose"
   },
   {
    "fieldname": "more_info",
@@ -294,10 +293,11 @@
  "idx": 1,
  "is_submittable": 1,
  "links": [],
- "modified": "2021-05-27 16:06:17.352572",
+ "modified": "2021-12-17 03:10:27.608112",
  "modified_by": "Administrator",
  "module": "Maintenance",
  "name": "Maintenance Visit",
+ "naming_rule": "By \"Naming Series\" field",
  "owner": "Administrator",
  "permissions": [
   {
diff --git a/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.py b/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.py
index 5a87b16..d5d8753 100644
--- a/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.py
+++ b/erpnext/maintenance/doctype/maintenance_visit/maintenance_visit.py
@@ -18,6 +18,10 @@
 			if d.serial_no and not frappe.db.exists("Serial No", d.serial_no):
 				frappe.throw(_("Serial No {0} does not exist").format(d.serial_no))
 
+	def validate_purpose_table(self):
+		if not self.purposes:
+			frappe.throw(_("Add Items in the Purpose Table"), title="Purposes Required")
+
 	def validate_maintenance_date(self):
 		if self.maintenance_type == "Scheduled" and self.maintenance_schedule_detail:
 			item_ref = frappe.db.get_value('Maintenance Schedule Detail', self.maintenance_schedule_detail, 'item_reference')
@@ -29,6 +33,7 @@
 	def validate(self):
 		self.validate_serial_no()
 		self.validate_maintenance_date()
+		self.validate_purpose_table()
 
 	def update_completion_status(self):
 		if self.maintenance_schedule_detail: