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Edwards Est
Io1000
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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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Loop 1 over limits: iO1000 Trouble Code | Fire Alarm Resource Center

Loop 1 over limits

trouble

Edwards EST iO1000

84 views·0 field notes

What This Code Means

There are too many devices on loop 1

Common Causes

1Exceeding the maximum device count for the loop card
2Incorrect wiring creating phantom devices

Resolution Steps

Verify the total number of devices on the loop and remove any devices that exceed the panel's capacity.

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

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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