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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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Tamper Switch: MXL Trouble Code | Fire Alarm Resource Center

Tamper Switch

trouble

Siemens MXL

67 views·0 field notes

What This Code Means

This is a security-type message for the tamper switch on the SMB-2 board when the system is selected for UL 1076 operation.

Common Causes

1Enclosure door is open
2Tamper switch on the SMB-2 board activated
3TSW-2 tamper switch cable disconnected from P9 on the SMB-2
4System selected for UL 1076 operation

Resolution Steps

Ensure the enclosure door is closed and the TSW-2 tamper switch cable is plugged into P9 on the SMB-2 board.

Manual References(1)

1siemensMXL-IQInstallationp. 151, 148, 149, 139, 147 +17Open

Field Notes

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Related Codes

GROUND FAULT IS PLUSThe system has detected a positive ground fault on the field wiring.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.

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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