TROUBLESHOOTING. WattMaster VAV CommLink 5 Communications Interface

TROUBLESHOOTING

CommLink 5 LED Descriptions

Figure 3: CommLink 5 LED Display

CommLink 5 LED Descriptions

USB LEDs

LOOP - Indicates communication activity on local controller network. This LED fl ickers when data is exchanged with the controller network.

NETWORK LEDs

ACT-LAN - Indicates activity on the local area network. This

LED fl ashes on when LAN is transmitting and receiving data and is only operational with an Ethernet connection.

TX-USB - Indicates transmitted data status of USB connection.

This LED only fl ashes when your CommLink 5 is connected to a computer and data is sent to Prism from the CommLink 5 via USB.

RX-USB - Indicates received data status of USB connection.

This LED only fl ashes when your CommLink 5 is connected to a computer and data is sent from Prism to the CommLink 5 via USB.

COMP- Indicates connection to your computer. This LED will turn on solid once you plug the USB cable into your computer as long as the connection is not lost.

LNK-LAN - Indicates local area network is connected. This

LED is on when connected to LAN and is only operational with an Ethernet connection.

WLAN - Indicates wireless connection to the local area network.

This LED fl ashes on when LAN is transmitting and receiving data and is only operational with an Ethernet connection.

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CommLink 5 Technical Guide