Wi-Fi Troubleshooting

This guide explains how to restore the network connection on your Vision Miner 22IDEX V2 printer when it becomes unreachable, most commonly after a firmware update. The M997 S0:1 command updates both the mainboard and the Wi-Fi module, and a Wi-Fi module update can erase the stored network settings. When that happens, the printer disappears from your network and the Web Interface becomes inaccessible.

Symptoms

• The printer no longer appears on your network after a firmware update. Neither 22idex.local nor the printer's previous IP address opens the Web Interface.
• The status light turns white for a few seconds after power-on, then goes red.
• Restarting the printer does not help.

The red light itself is expected behavior. On every startup the printer runs a built-in network test. If no network connection is established within about 15 seconds, the status light turns red and the printer automatically switches to Access Point mode, broadcasting its own 22 IDEX Wi-Fi network. If the red light is on but the 22 IDEX network does not appear, the Wi-Fi module needs to be reconfigured over USB.

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Tools and Materials

• Computer (with Pronterface installed)
• USB Cable
• Network Information: Name (SSID) and password of your 2.4 GHz Wi-Fi network. The printer is not compatible with 5 GHz networks.

1. Check Access Point Mode

When the stored network settings are lost, the printer normally falls back to Access Point mode and broadcasts its own Wi-Fi network.

1. On your computer or phone, scan for Wi-Fi networks and look for one named 22 IDEX.
2. If the network is present, connect to it using the default password 1234567890.

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3. Open a web browser and navigate to 192.168.0.1 to access the Web Interface.
4. Go to Macros > System > Settings > WiFi and run the Connect to my WiFi Network macro. Enter the name (SSID) and password of your 2.4 GHz network when prompted. Both are case-sensitive.

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5. The printer tests the connection. On success, the light turns green and a message shows the new IP address assigned by your router. Confirm the prompt to switch to client mode, then use that IP address (or 22idex.local) in your browser.

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If the 22 IDEX network does not appear, the Wi-Fi module needs to be reconfigured over USB. Continue with the next section.

2. Reset the Wi-Fi Module over USB

This procedure uses Pronterface to send commands directly to the printer through the USB port on the mainboard.

1. Download and install Pronterface, connect the USB cable to the printer's mainboard, and establish the connection following the Pronterface Connection Guide. The guide was written for the V3, but the connection process is the same on the V2.

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2. In the Pronterface command input field, send the following commands one by one:

   M552 S0

   M552 S-1

   M552 S0

   This power-cycles the Wi-Fi module and leaves it in an idle state, ready to accept new settings.

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3. Open the Wi-Fi Command Generator in the Pronterface Connection Guide, enter your 2.4 GHz network name (SSID) and password, and send the generated M587 command. This stores your network credentials on the printer.

4. Restore the Access Point settings by sending:

   M589 S"22 IDEX" P"1234567890" I192.168.0.1

   This sets up Access Point mode with the SSID 22 IDEX, the password 1234567890, and the IP address 192.168.0.1, so the fallback network works again in the future.

5. Start the Wi-Fi in the mode you want to use:

   • To connect the printer to your router (client mode), send:

   M552 S1

   • To have the printer broadcast its own network (Access Point mode), send:

   M552 S2

6. Watch the Pronterface console. In client mode, a successful connection reports the IP address assigned by your router. Use that IP address in your browser to open the Web Interface.

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3. Save the Configuration

The commands above configure the network for the current session only. Save the configuration so the printer reconnects automatically after a restart.

1. Open the Web Interface using the printer's IP address.
2. Go to Macros > System > Settings > WiFi and run the Switch WiFI to Client Mode macro (or Switch WiFI to Access Point Mode, if that is the mode you use). The macro stores the selected mode in the user folder on the SD card, and the printer applies it on every startup.

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3. Restart the printer and confirm it reconnects to the network on its own.

Troubleshooting

Support

If you could not find an answer here, reach out to our support team.