ESSER FlexES

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What This Code Means

A condition indicating a short circuit or interruption on the connection line, which may cause the system to isolate segments of the loop using group separators.

Common Causes

1Interruptions or interchanged connections in the connection line
2Damaging the line due to insufficient bending radii
3Loop is too long or attenuation too high

Resolution Steps

Check for interruptions or interchanged connections in the connection line, damaging the line due to insufficient bending radii, or the loop being too long or attenuation too high. In the event of a short circuit within the loop, the cut-off relays of the corresponding group separators open and isolate the affected segment; isolated detectors are listed in the plain text display together with the fault parameter >Com. error<.

Manual References(1)

1esserFlexES ControlInstallation2010p. 2, 3, 71, 49, 76 +15Open

Field Notes

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Related Codes

essernet connection interruptionA break or wiring error has been detected in the essernet communication loop.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.Wrong address settingThe essernet module has detected an invalid or conflicting address configuration after a restart.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.