Honeywell VISTA-128FBP

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What This Code Means

The system has lost primary AC power and the keypad is operating on battery power only.

Common Causes

1Premises power failure
2Tripped circuit breakers
3Blown fuses
4AC power supply cut off

Resolution Steps

If only some lights are out on the premises, check circuit breakers and fuses and reset or replace as necessary. CALL FOR SERVICE IMMEDIATELY if AC power cannot be restored.

Manual References(1)

1honeywellVISTA-128FBPT and VISTA-250FBPTUser Guide2012p. 60, 73, 68, 64, 58 +12Open

Field Notes

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Related Codes

CHECK or TRBL 974Trouble detected on Dialer 1.972 Earth Ground FaultA system trouble indicating that an earth ground fault has been detected. This condition may eliminate some of the system's protection.CHECK or TRBL 997Polling Loop Short circuit detected.ALARMIndicates that a burglary or non-fire protection zone has been faulted while the system is armed, or a 24-hour zone has been triggered.LO BAT accompanied by zone descriptorA low battery condition exists in the displayed wireless transmitter.