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Essernet Connection Interruption

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Troubleshooting Tip

When diagnosing codes, always check the event history log first. Many trouble conditions are intermittent and tied to environmental factors like temperature or moisture.

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essernet connection interruption: FlexES Trouble Code | Fire Alarm Resource Center

essernet connection interruption

trouble

ESSER FlexES

136 views·0 field notes

What This Code Means

A break or wiring error has been detected in the essernet communication loop.

Common Causes

1Broken communication wire
2Interchanged (swapped) connections
3Loose terminal block connection

Resolution Steps

Check the continuity of the essernet loop and ensure outward and return lines are not interchanged or routed in the same cable duct.

Manual References(1)

1esserFlexES ControlInstallation2010p. 71, 3, 2, 49, 87 +4Open

Field Notes

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Related Codes

Tamper contactThe tamper contact is used to monitor whether the control panel's housing has been opened and can be used to automatically deactivate components for servicing.Panel or essernet device not receiving powerA device on the essernet is not receiving power or is completely disconnected.EARTH FAULTThe system has detected an unintended connection to ground or an incorrect configuration of the earth fault detection jumpers on multiple power supply modules.Battery FaultThe FACP indicates a fault when battery resistance is too high, voltage drops below the discharging limit, or a connection/fuse issue is detected.Wrong address settingThe essernet module has detected an invalid or conflicting address configuration after a restart.

Related Questions

How do I reset a fault condition on the Esser FlexES panel after replacing a detector on the loop?What do the common FlexES error codes mean, such as Loop Fault, Short Circuit, and Device Not Responding?What is the procedure for performing a walk test on the FlexES panel to verify detector and module operation?

All FlexES trouble codes FlexES panel page