Honeywell Home Vista 20P Error Codes

The Vista 20P is a hardwired and wireless-capable security control panel used in many residential and small business alarm installations.

Overview

The Vista 20P is a hardwired and wireless-capable security control panel used in many residential and small business alarm installations.

Error Codes

Use the table below to match keypad trouble displays or panel event messages to likely causes and next checks.

CodeMeaningSuggested Fix
BATLow backup batteryReplace or recharge the panel battery, then allow the system time to clear.
CHECK 100Wireless receiver issueInspect receiver wiring and addressing, then power cycle if needed.
FCFailure to communicateVerify communicator path, account settings, and monitoring connection.