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Edwards Est
Io1000
054

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System TroubleSupervisoryGround FaultNACCommunicationPowerDeviceNetwork

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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Ground fault: iO1000 Trouble Code | Fire Alarm Resource Center

Ground fault

trouble

Edwards EST iO1000

70 views·0 field notes

What This Code Means

The panel detected a ground fault

Common Causes

1Wire insulation rubbed off against conduit
2Water in a junction box
3Pinched wire in a device base

Resolution Steps

Isolate field wiring circuits one by one (NACs, SLCs, etc.) to identify which circuit contains the ground fault, then trace the wire to find the point of contact with earth.

Manual References(3)

1edwards estiO64 and iO1000Datasheet2020p. 1Open

2edwards estiO64 and iO1000Datasheet2023p. 1Open

3edwards estiO64 and iO1000Installation2015p. 186, 160, 61, 187, 189 +2Open

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Related Codes

Internal faultThe control panel detected an internal hardware or software error Dialer line 1 faultA ground fault or line fault was detected on line 1 of the dialer Dialer delivery failThe dialer failed to deliver a message to the receiver SupervisoryA supervisory event is taking place on the control panel, indicating an off-normal condition on a monitored circuit or device.Loop 1 uncfgrd troubleA device on loop 1 that is not programmed went into trouble

Related Questions

How do I address devices on the iO1000?How do I set up the SA-DACT dialer module in the iO1000 for dual-line DACT reporting using Contact ID format?What Signature series devices are compatible with the iO1000 SLC loop, and can I mix legacy and newer devices on the same loop?

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