diff --git a/config.schema.json b/config.schema.json
index 84860ca..89b7654 100644
--- a/config.schema.json
+++ b/config.schema.json
@@ -11,6 +11,20 @@
         "required": true,
         "default": ""
       },
+      "username": {
+        "title": "Inverter username",
+        "type": "string",
+        "required": true,
+        "default": "admin",
+        "description": "The username is likely admin, unless it has been modified by the installer."
+      },
+      "password": {
+        "title": "Inverter password",
+        "type": "string",
+        "required": true,
+        "default": "admin",
+        "description": "The password is likely admin, unless it has been modified by the installer."
+      },
       "pollInterval": {
         "title": "Poll interval (in minutes)",
         "type": "number",
diff --git a/package-lock.json b/package-lock.json
index eb5fda4..83a8e45 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "homebridge-omnik",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "homebridge-omnik",
-      "version": "1.1.0",
+      "version": "1.2.0",
       "license": "Apache-2.0",
       "dependencies": {
         "axios": "^1.6.7"
diff --git a/package.json b/package.json
index 07850c2..938dcbe 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "homebridge-omnik",
   "displayName": "Omnik Inverter",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Add your Omnik-Inverter to Homekit",
   "license": "Apache-2.0",
   "author": "Jasper Seinhorst",
diff --git a/src/Platform.ts b/src/Platform.ts
index 78846ab..f64052f 100644
--- a/src/Platform.ts
+++ b/src/Platform.ts
@@ -27,19 +27,19 @@ export class OmnikPlugin implements DynamicPlatformPlugin {
   }
 
   private validateConfig(): boolean {
-    return !!this.config.ip;
+    return !!this.config.ip && !!this.config.username && !!this.config.password;
   }
 
   private async initialise() {
     if (!this.validateConfig()) {
-      this.log.error('Configuration error. Please provide your Omnik-inverter\'s IP address');
+      this.log.error('Configuration error. Please provide your Omnik-inverter\'s IP address, username and password');
       return;
     }
 
-    this.omnikApi = new OmnikApi(this.config.ip);
+    this.omnikApi = new OmnikApi(this.config.ip, this.config.username, this.config.password);
 
     if (!await this.omnikApi.ValidateIp()) {
-      this.log.error('Your Omnik inverter\'s IP address seems to be incorrect. No connection possible');
+      this.log.error('Your Omnik inverter\'s IP address or credentials seem to be incorrect. No connection possible');
       return;
     }
 
@@ -100,7 +100,7 @@ export class OmnikPlugin implements DynamicPlatformPlugin {
       });
 
     } catch (error) {
-      this.log.error('Failed to update data, no connection possible with your inverter');
+      this.log.error('Failed to update data');
     }
   }
 }
diff --git a/src/Utils/OmnikApi.ts b/src/Utils/OmnikApi.ts
index 7a2d2f0..a3ba8b2 100644
--- a/src/Utils/OmnikApi.ts
+++ b/src/Utils/OmnikApi.ts
@@ -3,10 +3,15 @@ import { PowerProduction, OmnikDevice } from '../PlatformTypes';
 
 export default class OmnikApi {
   private ip: string;
-  private timeout: 5000;
+  private username: string;
+  private password: string;
 
-  constructor(ip: string) {
+  private timeout: 10000;
+
+  constructor(ip: string, username: string, password: string) {
     this.ip = ip;
+    this.username = username;
+    this.password = password;
   }
 
   private SplitStatusData(statusData: string): string[] {
@@ -19,8 +24,8 @@ export default class OmnikApi {
         {
           timeout: this.timeout,
           auth: {
-            username: 'admin',
-            password: 'admin',
+            username: this.username,
+            password: this.password,
           },
         },
       );
@@ -37,8 +42,8 @@ export default class OmnikApi {
         {
           timeout: this.timeout,
           auth: {
-            username: 'admin',
-            password: 'admin',
+            username: this.username,
+            password: this.password,
           },
         },
       );
@@ -61,8 +66,8 @@ export default class OmnikApi {
         {
           timeout: this.timeout,
           auth: {
-            username: 'admin',
-            password: 'admin',
+            username: this.username,
+            password: this.password,
           },
         },
       );