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AC VOLTAGE = X VOLTSmaintenance

Siemens MXL: AC VOLTAGE = X VOLTS

Siemens MXL·1 view·0 field notes

What This Code Means

Display of the current AC input voltage to the system power supply.

Common Causes

  • 1Normal operation
  • 2Brownout condition
  • 3Power surge

Resolution Steps

Ensure AC power is within the operating specifications of the power supply (typically 120VAC or 240VAC).

Manual References(1)

Field Notes

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Related Codes

Pre-alarmA smoke detector has reached a threshold near its alarm point but has not yet reached full alarm status.NN:MMM-DDD [custom message] ACK [trouble type] IN TRBA general system trouble has occurred, indicating a fault that may prevent the system from operating correctly.Tamper SwitchThis is a security-type message for the tamper switch on the SMB-2 board when the system is selected for UL 1076 operation.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.

Related Questions

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