Resource Center Tools

Sign In

Sign In

Home
Resources
Trouble Codes
Edwards Est
Io64
071

Resource Center

Browse

Home Questions252 Trouble Codes688 Panels24 Panel Specs24

Learn

Community

Tools

Common Categories

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.

Recommended SupplierSponsored

Fire Alarm Parts for Old and New Systems

Panels, detectors, modules and signals
50+ brands, current and legacy
Order by 3 pm ET, ships same day
90-day warranty on every part

Shop Fire Alarm Parts

Can't find what you need?

Resource Center

Questions Panels Trouble Codes Panel Specs NFPA 72-2025

Legal

Privacy Policy Terms of Use Disclaimer DMCA

Cookie Preferences

Company

About Us Blog Glossary Contact Us

© FACP Manuals LLC. All rights reserved.

Built by Will

Dialer line 1 fault: iO64 Trouble Code | Fire Alarm Resource Center

Dialer line 1 fault

trouble

Edwards EST iO64

90 views·0 field notes

What This Code Means

A ground fault or line fault was detected on line 1 of the dialer.

Common Causes

1Disconnected phone line
2No voltage on telco line
3Ground fault on phone circuit

Resolution Steps

Verify the phone line connection to the DACT; measure for standard telco voltage.

Manual References(1)

1edwards estiO64 and iO1000Installation2015p. 160, 186, 61, 189, 62 +4Open

Field Notes

Loading field notes...

Sign in to share a field note

Related Codes

Battery missingThe battery is no longer connected.Loop 1 map mismatchThe loop 1 map in RAM and the loop 1 map in the database do not match.Waterflow activeA waterflow condition has been detected, indicating water movement in the sprinkler system.AC powerThere is a problem with the panel’s AC power.Ground faultThe panel detected a ground fault.

Related Questions

How do I wire SLC loops on the iO64 for Class A and Class B?How do I add a remote annunciator or display to the iO64?What is the maximum number of devices the iO64 supports?

All iO64 trouble codes iO64 panel page