972 Earth Ground Fault: VISTA-128FBP Trouble Code

What This Code Means

A system trouble indicating that an earth ground fault has been detected. This condition may eliminate some of the system's protection.

Common Causes

1Electrical ground connections of the power utility, telephone lines and internal metallic water pipe system are not connected together
2Electrical surges, typically lighting transients
3Equipment malfunctions or unauthorized repairs or alterations

Resolution Steps

Determine if the zone(s) displayed are intact and make them so if they are not. If the problem has been corrected, key an OFF sequence (Code plus OFF) to clear the “CHECK” or “TRBL” display. If the display persists, CALL FOR SERVICE IMMEDIATELY. Users should not attempt to make such connections themselves but should contact appropriate electric inspection authority, or electrician, as appropriate.

Manual References(1)

1honeywellVISTA-128FBPT and VISTA-250FBPTUser Guide2012p. 60, 71, 58, 70, 65 +13Open

Related Codes

CHECK or TRBL 974Trouble detected on Dialer 1.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.CHECK or TRBL 970Trouble detected on Bell 1 Output (Notification Appliance Circuit).LO BAT accompanied by zone descriptorA low battery condition exists in the displayed wireless transmitter.

Honeywell VISTA-128FBP

What This Code Means

Common Causes

Resolution Steps

Manual References(1)

Field Notes

Related Codes

Related Questions