Status LEDs - Verasys - Field Device - ZEC510

Verasys ZEC510 VAV Controllers Installation Guide

Product name
ZEC510
Document type
Installation Guide
Document revision
B
Revision date
2021-04-08

The following table provides a description of the LED modes.

Table 1. ZEC510 status LEDs
LED label LED color Normal state Description of LED states
POWER Green Steady on Off steady = The controller has no power

On steady = Operating normally, and primary voltage powers the controller

FAULT Red Steady off Blink - 2 Hz = Download or startup is in progress. The controller is not ready for normal operation. Sensor bus devices are offline.

Rapid blink = Sensor bus communications problem

Off steady = No faults

On steady = Device fault or no application loaded

SA BUS (sensor bus) Green Blink - 2 Hz Blink - 2 Hz = Data transmission. Normal communication

Off steady = No data transmission. Auto baud in progress

On steady = Communication lost. Waiting to join communication ring

FC BUS (zone bus) Green Blink - 2 Hz Blink - 2 Hz = Data transmission. Normal communication

Off steady = No data transmission. Auto baud not supported

On steady = Communication lost. Waiting to join communication ring

EOL Amber Off On steady = EOL is active

Off steady = EOL is not active