CHECK or TRBL 6XX
troubleHoneywell VISTA-128FBP
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What This Code Means
Indicates a trouble condition on a supervised relay where XX is the relay number (01-32).
Common Causes
- 1Relay wiring fault
- 2Loss of power to relay module
- 3Relay hardware failure
Resolution Steps
Inspect the specific relay number indicated and its associated wiring. Enter Code + OFF to clear.
