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Ground Fault Is Plus

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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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GROUND FAULT IS PLUS: MXL Trouble Code | Fire Alarm Resource Center

GROUND FAULT IS PLUS

trouble

Siemens MXL

92 views·0 field notes

What This Code Means

The system has detected a positive ground fault on the field wiring.

Common Causes

1Wire shorted to power-limited conductor
2Faulty device component
3Incorrect wiring

Resolution Steps

Locate the loop and the specific device responsible for the leakage to ground and repair the wiring.

Manual References(1)

1siemensMXL-IQInstallationp. 7, 69, 34, 47, 74 +5Open

Field Notes

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Related Codes

AC Fail or BrownoutPrimary AC power is missing or below the brownout level; the System is running on battery backup.GROUND FAULT IS MINUSThe system has detected a negative ground fault on the field wiring.GROUND FAULT IS OKThe system ground fault test has passed and no ground faults are currently detected.[custom message] [device type] IN SUPA condition indicating that a monitored device or system has changed to an off-normal state, which takes priority over security and trouble conditions.AC VOLTAGE = X VOLTSDisplay of the current AC input voltage to the system power supply.

Related Questions

What modules are available to expand the MXL beyond its base configuration, and what is the maximum supported cabinet and loop count?How many addressable devices does the MXL support per SLC loop, and what is the total system point capacity?What are the battery requirements and backup power calculations for the MXL?

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