diff --git a/Problems/Item.cs b/Problems/Item.cs
index 49bd6ff..5a018a9 100644
--- a/Problems/Item.cs
+++ b/Problems/Item.cs
@@ -16,5 +16,6 @@ namespace ZaoBot.Problems
 		public string label;
 		public string name;
 		public Status status;
+		public bool notified = false;
 	}
 }
diff --git a/Problems/StatusManager.cs b/Problems/StatusManager.cs
index 67853a8..05f9f8f 100644
--- a/Problems/StatusManager.cs
+++ b/Problems/StatusManager.cs
@@ -1,7 +1,10 @@
 using System;
 using System.Collections.Generic;
 using System.Text;
+using System.Text.Json;
 using System.Timers;
+using Telegram.Bot;
+using ZaoBot.Config;
 
 namespace ZaoBot.Problems
 {
@@ -10,15 +13,19 @@ namespace ZaoBot.Problems
 		const int DEFAULT_INTERVAL = 2000;
 
 		private OpenHab.OpenHabClient openhab;
+		private ITelegramBotClient bot;
+		private JsonDocument config;
 
 		private Timer timer;
 		private Dictionary<string, Item> statusItems = new Dictionary<string, Item>();
 
 		public IEnumerable<Item> StatusItems => statusItems.Values;
 
-		public StatusManager(OpenHab.OpenHabClient openhab)
+		public StatusManager(OpenHab.OpenHabClient openhab, ITelegramBotClient bot, IConfig config)
 		{
+			this.bot = bot;
 			this.openhab = openhab;
+			this.config = config.Data;
 			UpdateStatus();
 			timer = new Timer(DEFAULT_INTERVAL);
 			timer.Elapsed += OnTimer;
@@ -39,28 +46,49 @@ namespace ZaoBot.Problems
 				{
 					if (!item.name.StartsWith("Problem_")) continue;
 					Item statusItem = null;
-					if (statusItems.ContainsKey(item.name)) statusItem = statusItems[item.name];
-					else
+					lock (statusItems)
 					{
-						statusItem = new Item()
+						if (statusItems.ContainsKey(item.name)) statusItem = statusItems[item.name];
+						else
 						{
-							name = item.name,
-							label = item.label,
-							status = Status.UNKNOWN
-						};
-						statusItems[item.name] = statusItem;
+							statusItem = new Item()
+							{
+								name = item.name,
+								label = item.label,
+								status = Status.UNKNOWN
+							};
+							statusItems[item.name] = statusItem;
+						}
 					}
 					var state = await openhab.GetItemState(item.name);
-					if (state.state == "OFF") statusItem.status = Status.OK;
-					else if (state.state == "ON") statusItem.status = Status.PROBLEM;
-					else statusItem.status = Status.UNKNOWN;
+					lock (statusItems)
+					{
+						if (state.state == "OFF") statusItem.status = Status.OK;
+						else if (state.state == "ON") statusItem.status = Status.PROBLEM;
+						else statusItem.status = Status.UNKNOWN;
+						if (statusItem.status == Status.PROBLEM && statusItem.notified == false)
+						{
+							Notify(statusItem);
+							statusItem.notified = true;
+						}
+					}
 				}
-
 			}
 			catch (Exception ex)
 			{
 				Console.WriteLine("Exception on getting status: " + ex.ToString());
 			}
 		}
+
+		private async void Notify(Item item)
+		{
+			foreach (var element in config.RootElement.GetProperty("notify_user_ids").EnumerateArray())
+			{
+				await bot.SendTextMessageAsync(
+							chatId: element.GetString(),
+							text: "Problem appeared: " + item.label
+				);
+			}
+		}
 	}
 }
diff --git a/Program.cs b/Program.cs
index 2677536..a1690a4 100644
--- a/Program.cs
+++ b/Program.cs
@@ -41,6 +41,7 @@ namespace ZaoBot
 				var receiver = provider.GetRequiredService<NotificationReceiver>();
 				var notificationThread = new Thread(new ThreadStart(receiver.Run));
 				notificationThread.Start();
+				var statusManager = provider.GetRequiredService<StatusManager>();
 				while (true)
 				{
 					try