---
title: "Panasonic Handsets Display Error 003"
slug: "panasonic-handsets-display-error-003"
updated: 2026-05-17T17:26:53Z
published: 2026-05-21T21:28:00Z
canonical: "help.8x8.com/panasonic-handsets-display-error-003"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.8x8.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Panasonic Handsets Display Error 003

## Symptom

Panasonic KX-TGP60 handset is receiving the following error, *Error 003: Not registered.*

## Applies To

- Halfords Autocentres
- Panasonic KX-TGP600 DECT phones ![clipboard_eab6a93b0d851c381b593e3258b2a770d.png](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/9865?sv=2026-02-06&spr=https&st=2026-11-04T00%3A19%3A18Z&se=2026-11-04T01%3A19%3A18Z&sr=c&sp=r&sig=HyZ9RmKSJmBWQhj1EbBcyPnki2t9bKlW2BTguLDilYw%3D)

## Resolution

1. Ensure the Panasonic Mac address is activated on both handset extensions in 8x8 Admin Console.
2. Check the Panasonic Base Station status light. ![clipboard_e2884d27dbd23f13c972ddeedf5023475.png](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/9868?sv=2026-02-06&spr=https&st=2026-11-04T00%3A19%3A18Z&se=2026-11-04T01%3A19%3A18Z&sr=c&sp=r&sig=HyZ9RmKSJmBWQhj1EbBcyPnki2t9bKlW2BTguLDilYw%3D) ![clipboard_ed1a1e2480f0c7655cf8b89a4b0f0bb4c.png](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/9870?sv=2026-02-06&spr=https&st=2026-11-04T00%3A19%3A18Z&se=2026-11-04T01%3A19%3A18Z&sr=c&sp=r&sig=HyZ9RmKSJmBWQhj1EbBcyPnki2t9bKlW2BTguLDilYw%3D)
3. **Verify** that the device is properly connected to a modem that has Internet access.
4. **Ensure** the network is not down for the phone system.
5. **Unregister/Unpair both handsets**. ![clipboard_e4d8f1b052b298185a9d7729f7ae2eb93.png](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/9866?sv=2026-02-06&spr=https&st=2026-11-04T00%3A19%3A18Z&se=2026-11-04T01%3A19%3A18Z&sr=c&sp=r&sig=HyZ9RmKSJmBWQhj1EbBcyPnki2t9bKlW2BTguLDilYw%3D)
6. **Turn off both handsets** and take out batteries.
7. **Unplug Ethernet cable back of the base station** and ensure there is no power adapter connected to the base station leave it off for a few minutes and plug it back and wait until status light turns to green it may a few minutes to establish a connection.
8. **Put the batteries back i**n the handsets and turn on handsets to register with the base station.
9. **Register a handset to the base station.**
  1. Press and hold the handset locator/Wifi button on the side of the KX-TGP600 base station unit the status light flashes red, then release handset locator/Wifi button. ![clipboard_efa25db4b1a561f1f18b112f2ce220258.png](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/9867?sv=2026-02-06&spr=https&st=2026-11-04T00%3A19%3A18Z&se=2026-11-04T01%3A19%3A18Z&sr=c&sp=r&sig=HyZ9RmKSJmBWQhj1EbBcyPnki2t9bKlW2BTguLDilYw%3D)
  2. Press and hold the right soft key on the KX-TPA60 handset until the screen update to say **Please Wait**. ![clipboard_edb1ec1aae4849fb87ca0d43ef950efbb.png](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/9869?sv=2026-02-06&spr=https&st=2026-11-04T00%3A19%3A18Z&se=2026-11-04T01%3A19%3A18Z&sr=c&sp=r&sig=HyZ9RmKSJmBWQhj1EbBcyPnki2t9bKlW2BTguLDilYw%3D)
  3. Once the handset registers successfully it will show the date, time, and extension number as shown in the above picture.