AC Fail or Brownouttrouble

Siemens MXL: AC Fail or Brownout

Siemens MXL·0 views·0 field notes

What This Code Means

Primary AC power is missing or below the brownout level; the System is running on battery backup.

Common Causes

1Primary AC power is missing
2AC power is below the brownout level
3Blown fuses F1 or F2 on the SMB-2
4Tripped circuit breaker on the MPS-6
5Faulty AC or battery wiring

Resolution Steps

Check AC and battery. Check fuses F1 and F2 on the SMB-2 and the circuit breaker on the MPS-6. Check AC and battery wiring. If power connections are OK, check the cable between the SMB-2 and MKB-4 for proper installation.

Manual References(1)

1siemensMXL-IQInstallationp. 102, 144, 103, 149, 148, 151, 40, 147, 146, 143, 169, 41, 152, 121, 60, 176, 132, 113, 6, 125, 45Open

Field Notes

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Related Codes

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