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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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Fault in the mains power supply: FlexES Trouble Code | Fire Alarm Resource Center

Fault in the mains power supply

trouble

ESSER FlexES

77 views·0 field notes

What This Code Means

The primary 230 V AC power source is missing or has failed.

Common Causes

1Blown mains fuse
2Tripped circuit breaker
3Disconnected AC input at the PS connection module (PSC)

Resolution Steps

Check the 230 V AC supply and the connection at the PS connection module; restore power before the batteries exhaust.

Manual References(1)

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

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.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.

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