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Welcome to our Wiki

Universal Devices Inc. is making home automation products as commonplace and affordable as phones, cable/DSL modems, and set-top boxes. The UDI Wiki is the central place for help with our products so please have a look around. With this site being a collaborative effort by UDI and its user base, we need your help! If you're interested in helping the Wiki please register for an an account.

Instructional Videos

Downloadable Documentation

Quick Start Guides

Installing the Admin Console Icon on Your Desktop

It's always best to use the Admin Console application which is browser independent. To do this:

  1. Clear your java cache
  2. Use the ISY Launcher to launch the Admin Console. This should put an icon on your desktop once you run the downloaded start.jnlp file.

MAC Users:

If you are using either Safari or Firefox, you can get to the download folder, please click on the button with a Down Arrow icon at the top right section of the screen and then right mouse click on start.jnlp and then choose Open. You will be prompted with a security warning dialog. Click Open.

If this does not install the icon on your desktop, please click on the button with a Down Arrow icon at the top right section of the screen and then click on start.jnlp (inside the download folder).

  • Safari Users: If you do not see the Down Arrow button at the top right, please follow the instructions here to get the download button back on your Safari.
  • If you are prompted be prompted with a dialog warning you that you cannot open this application:
  1. Go to System Preferences | Security & Privacy | General
  2. Click on the open anyway button at the bottom

ISY994 Series

Web Interface

Z-Wave Quick Start Guide

ISY Cookbook

  • ISY994i Cookbook - Comprehensive Guide for Anything ISY including example programs

Complete and Comprehensive User Guides

Network Security

Smart Grid-ISY994 ZS Series

  • ISY994 ZS Series (INSTEON/Smart Grid) Quick Start Guide   (PDF)   (MS Word)


ISY994 Series OpenADR 2.0(a)/(b) Quick Setup Guide

(PDF)  (MS Word)

ISY994 Series OpenADR 2.0(a)/(b) EPRI VTN Configuration Guide

(PDF)  (MS Word)  Video Tutorial

EM3 OpenADR 2.0(a)/(b) Configuration Guide

(PDF)  (MS Word)

Installing New OpenADR Client Certificate

IMPORTANT To request a production OpenADR certificate, please contact our sales department. Once you receive the certificate, store it in a safe place

  1. Open the Dashboard
  2. Click on the Wrench button at the top right and then click on the Network button
  3. Click on Client Certificate
  4. Click on No (this will create a new keystore)
  5. Enter the password for the certificate which is provided to you by UD along with the certificate itself
  6. Click on Import Cert and point to the certificate file that was sent to you by UD
  7. Enter the same password as 5
  8. Click on No when you are prompted to import other intermediate certs
  9. Click on Yes to reboot

Energy Monitoring/ISY994 Z Series

  • ISY994i Z Series Energy Monitoring Configuration Guide   (PDF)   (MS Word)

Online Documentation

Z-Wave Plus™ for ISY-994 Series

Polisy User Guide

  • Everything there is to know about Polisy and how to use it

ISY994 User Guide

  • Menus, Toolbar, and Panels

How-To Guide

  • Special devices, scenes, programming, and more. Click on the link above for all topics. More important ones are listed here

IP Network, Web, and Email Notifications

Default Web Interface

  • The default Web Interface that can be used with any browser.

Enabling Remote Access to Your ISY

Assigning Static IP Address to Your ISY

Configure Mail Server/Email Notification

Configure Firewall Software

Home Automation Dashboard

  • Customizable web interface for your ISY.





  • X10 support information and examples

Using IR in the ISY-994i/99i/IR

  • Configuration and usage of IR commands with your ISY /IR Series




Email & Networking Substitution Variables

  • Use substitution variables in emails and network resources

Legacy 26/99

Quick Start Guide for 26/99

Add-On/Optional Modules for the ISY-994i

Instructions for Purchase/Activation/Deactivation

  • Make sure your ISY is registered
    • Get your UUID from Admin Console Help | About
    • Go to your account page. If you don’t have an account, you MUST create one
    • Click on the My Products tab
    • Choose the model number from the list
    • Enter the UUID (from #1) in 0021b9xxyyzz format (i.e. remove the uuid: prefix and all the colons) in the Serial number field
    • Enter the date of purchase (does not have to be accurate)
    • Click the Add button
  • From the list of your ISYs, pick the one you wish to purchase/activate/deactivate modules and then click on the Modules button

ISY Portal: Integration with Amazon Echo/Google Home/IFTTT

  • Subscription Based
    • $23.00/First Two Years
    • $12.00/Year thereafter

ISY Portal enables you to remotely connect to ISY without the need for port forwarding. The subscription is for 2 years and includes:

  • Amazon Echo Integration
  • IFTTT integration
  • Network Module (Requires firmware/UI version 4.4.3+). Optionally, if you already have the Network Module, you can send your UUID (Help | About) to and request for:
    • 1 year extension of your ISY Portal Subscription if the Network Module was purchased within 2 years of ISY Portal Module purchase
    • 2 year extension of your ISY Portal Subscription if the Network Module was purchased within 1 year of ISY Portal Module purchase
    • 4 year extension or refund if the Network Module was purchased within 30 days of ISY Portal Module purchase
    • Please Note that your request will cause the Network Module to be Uninstalled and not accessible after the expiration of the ISY Portal Subscription

ISY Portal Installation Instructions

ISY Portal Renewal Instructions

ISY Portal Amazon Echo Integration (V3)

ISY Portal Google Home Integration

ISY Portal Google Assistant Integration

Please peruse this link for detailed instructions of setting up Google Assistant to work with ISY Portal

ISY Portal Node Server Instructions

ISY Portal Node Server Occupancy & Locative App Instructions

Polyglot Cloud

ISY Portal Node Server Occupancy V2 & UDI Mobile App Instructions

ISY Portal IFTTT Integration

Geo Fencing and Push Notifications using ISY Portal

Using Admin Console through ISY Portal

ISY Portal MobiLinc Configuration

ISY Portal Transfer Instructions



  • $49.00 Flat Fee
  • Or $0.00 - Included with ISY Portal with Firmware versions 4.4.3+

Network Module

Network Resources (Examples & Downloads)

Substitution Variables


Please use ISY Portal which gives a few options for climate service providers.


ELK Security


Upgrade to IR

  • $45.00 Flat Fee + Shipping
  1. Order IR Input Module, when received :
  2. Open ISY's enclosure
  3. Take the ISY board out
  4. Plugin the IR Module on the front of the board
  5. Once everything is put back together and ISY is rebooted, go to Admin Console / Help / Purchase Modules and choose Upgrade to IR


Flow Chart

Resetting Your ISY

ISY Launcher cannot find ISY

  • Make certain that you are using ISY Launcher. This is a MUST
  • If you have VPN software running, Admin Console cannot search for ISY on your computer. Please disable the VPN, find ISY's IP address and then click the Add button and enter it manually
  • Make certain that, after reboot, the pattern of lights is as described here
  • If you have recently changed your modem/router, please follow these instructions
  • If you have any firewall software, make sure it's configured properly
  • If all the above have been checked, it's almost a guarantee that that your ISY is not on the same network as your computer. Perhaps at some point you might have configured ISY with a static IP address. Or, that your WiFi network is not connected to the wired network.

Front Panel LEDs/Lights

  • Boot up sequence:
    • Power, RX&TX, momentary blink of Memory/RX and TX, and then Power only
  • Only Power Light Is On:
    • Most probably power supply related. You can try any power supply that outputs anywhere between 5 volt and 30 volts,center positive, 2mm barrel connector
  • Error light and Memory light blinking simultaneously: ISY is not able to get on the network.Please ensure:
    • The Network jack on the back of ISY is connected to your router
    • The lights on the Network jack have one steady on and the other one blinking. If not, check cable and connectivity to the router
    • Your router provides DHCP
    • There are no other devices on the network with the same IP address (IP Conflict)
      • If you have configured your ISY to use DHCP, then you will have to search your network for devices that might be in the same DHCP range as your router is providing
      • If you have configured your ISY with a static IP address, and as long as you have a good backup, you can Factory Reset your ISY and then restore a good backup (File | Restore ISY). Once prompted to change the network settings, choose No
  • Only Error light blinking: ISY cannot communicate with the SD Card. Please ensure:
    • The micro SD Card (on the front) is seated properly. Unplug ISY, remove the rubber cap, using a sharp object, push the micro SD Card in so that it pops out. Push it back in so it clicks in. Apply power to ISY
    • If reseating the micro SD Card does not work, you probably have a defective SD Card. Please consult Replacing/Formatting SD Card

Changed ISP/Router - Can no longer access ISY

  • Make sure you have a good backup
  • Factory Reset your ISY
  • Log back into the Admin Console using (icon on your desktop)
  • Click on File | Restore ISY
  • Point to your good backup
  • Important At the end of the process, you will be prompted to change your existing network settings (DHCP) with the one in the backup. Choose No
  • ISY reboots and it will be on DHCP
  • You can change ISY's network configuration again by going to Admin Console | Configuration | Network
  • There are two other more techy alternatives but there are no guaranteed that they will work especially if the SD Card or the PLM are really old:
    • Method 1
      • Reboot ISY with a different SD Card
      • Factory reset ISY (this puts ISY back to DHCP mode)
      • Put the original SD card back
      • If this works, BACKUP immediately and reboot
    • Method 2
      • If you are familiar with putty, and serial connections, connect a mini USB cable to the monitor port on ISY and the other end to your computer. You may need these drivers. The serial connection parameters are 115200, 8, 1, None. If you don't know the password, you may have to reset first. Once logged in through the terminal, type CT at the prompt followed by the Return button. For IP address, enter 0. This reverts your network settings to DHCP.

DNS Error

The most likely error is due to ISY having a static IP address and the router blocking DNS from IPs not generated by DHCP server. If you have configured ISY with a static IP address, please consider

  • Reverting to DHCP, Or
  • Use for the DNS server

In case of using DHCP, you may consider using DHCP Reservation in the router such that ISY is always given the same IP address.

If you have port forwarding rules in your router to ISY, please make sure that only TCP is forwarded (NOT UDP or both).

If you are using DDWRT, PFSense, or any other home grown routers, then please note that DNSMasq will not work.

ISY Cannot Access the Internet

  • If the problem is DNS related, please see DNS Error
  • If you have any Parental Control or Mac Address Filtering in your router, please make sure ISY is not listed under blocked machines

If you have any port forwarding rules in the router that points to ISY, please remove them

  • If you see File | Disable Internet Access in the Admin Console, please click it

ISY Cannot Communicate with ISY Portal


Clicking on Purchase Module does not do anything

You are probably using Safari. What you need to do is to use ISY Admin Console application the instructions for which you will find here

Cannot enter userid/password in the Authenticate dialog

  • If you have Yosemite and Java 1.8.40, please:
    • Go to System Preferences | Java
    • Click on the Java tab
    • Enter -Xdebug for Runtime Parameters

Admin Console icon does not appear on the desktop

  • Close all your browsers
  • Go to System Preferences | Java to get to Java Control Panel
  • Click on Delete Files and make sure you check Applications
  • Click on the Settings Button
  • Make sure Keep temporary files on my computer is checked
  • Copy the directory under Location
  • Open up Finder and delete the above directory under Location
  • Close Java Control Panel
  • Open a browser and retry the Admin Console (JNLP) URL

ISY Finder does not find ISY

  • Open a terminal window
  • Type hostname on the command line and copy the results to the clipboard
  • Open /private/etc/hosts and make sure you have right below the first listing:
  • whatever-hostname-you-copied-in-step2

Admin Console Hangs

  • If you have any of the following modules on your MAC (under System Preferences | Privacy/Security | Accessibility), you may experience Admin Console hang when editing text fields. This is especially the case when you try copy/paste:
    • BetterTouch App
    • Text Expander App
    • PopClip App
    • Moom Appp
  • Usually disabling these modules will fix the issue. For more information please checkout:

Java applications are blocked by your security settings

  • Close all your browsers
  • Go to System Preferences | Java to get to Java Control Panel
  • Click on Delete Files and make sure you check Applications
  • Click on the Settings Button
  • Make sure Keep temporary files on my computer is checked
  • Click on the Security tab on the top
  • Click on Restore Security Prompts and then click on Restore All button on the ensuing dialog
  • Click on the Edit Site List
  • Click on the Add button
  • Enter followed by hitting the Return key on the keyboard. Accept the warning
  • Click on the OK button

Resource cannot be downloaded (admin.jnlp)

  • 99.9% of the cases, this is due to the installation of the following software:

Relevant Knowledge


Admin Console is very slow or hangs

  • If the admin console is slow to respond, it is likely you need to increase the amount of memory allocated to the Java runtime (JRE).
  • Open the Java Control Panel, select Java tab, press View button, then add or modify the Runtime Parameter -Xmx to the following:
    • -Xmx512m
  • Press Ok to close the window, then Press Apply to save the changes

admin.jnlp does not start the Admin Console

  • If Java is indeed installed, the reason is that .jnlp file association is broken (it has to point to javaws.exe). Search for javaws.exe in the computer. Right mouse click and select "Open with" and point to "javaws.exe" to fix the .jnlp file association.

Fonts too Small

  • Make sure your Admin Console/UI version is 4.6.2 (or above) using Help | About
  • If not,Install the latest UI
  • On the Admin Console click on File | Themes | Font size and choose an appropriate font size
  • If the font is still too small (especially on 4K monitors/Surface Computers), and for Windows only:
    • Right mouse click on Admin Console icon on your desktop
    • Select Properties from the menu
    • Click on the Compatibility tab
    • Check Run the program in compatibility mode for checkbox
    • Choose Window Vista (Service Pack 2) or Windows 7
    • Choose Override high DPI settings
    • Choose Scaling performed by "System"
    • Click on the Apply button

Using Java 9 In case you are Ok with installing Java 9:

You can also find this information in our forum.

Userid/Password dialog keeps popping up

This is usually related to firewall software on your computer. Two solutions:

Admin Console Closes Automatically

This is usually related to firewall software on your computer and especially with AVAST or AVG (including MAC). Two solutions:

Admin Console Minimized/Invisible and Cannot be Restored

This is usually related Admin Console state files not being updated properly and especially in case of multi monitors. All you need to do is to find the following files in Java temp directory (on Windows: c:\Users\[Username]\AppData\Local\Temp) and delete them. Or, you can simply search the computer for udi_*.* file patterns:

  • udi_tree.state
  • udi_frame.state
  • udi_pgm.state
  • udi_finder.state
  • udi_launcher.state


Troubleshooting INSTEON Communication Errors

Video Can't determine INSTEON engine

INSTEON Signal / Noise Troubleshooting

INSTEON No Status Feedback From Devices

INSTEON Random All On Events

INSTEON Safe Mode Dialog


Troubleshooting Z-Wave Communication Errors

Ecolink Sensors

Z-Wave 500 Series Beta

Error Codes



Firmware Releases

Third Party


Legacy ISYs



Home Automation Info

New to home automation? Check out: