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NN:MMM-DDD [custom message] ACK [trouble type] IN TRB
trouble

Siemens MXL

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What This Code Means

A general system trouble has occurred, indicating a fault that may prevent the system from operating correctly.

Common Causes

  • 1Open circuit in field wiring
  • 2Short circuit in field wiring
  • 3Module communication failure
  • 4Power supply fault

Resolution Steps

Identify the specific trouble type and device address on the display, then inspect the associated wiring or hardware for faults.

Manual References(1)

Field Notes

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Related Codes

GROUND FAULT IS PLUSThe system has detected a positive ground fault on the field wiring.GROUND FAULT IS MINUSThe system has detected a negative 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.[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.GROUND FAULT IS OKThe system ground fault test has passed and no ground faults are currently detected.

Related Questions

What modules are available to expand the MXL beyond its base configuration, and what is the maximum supported cabinet and loop count?What are the battery requirements and backup power calculations for the MXL?What is the purpose of the BCM-12A-C battery charger module on the MXL, and how many batteries does it support?
All MXL trouble codesMXL panel page