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23100@x4-7300high

No COMM From Micro to OUTPBD1

system

Description

Main microprocessor cannot communicate internally, and the unit shuts down all modules except the display and alarm.

Activation Conditions

Main microprocessor cannot communicate internally.

Unit Behavior

Shutdown all modules except the display and alarm. (The alarm will only display if the display module is communicating.) Main microprocessor status LED will illuminate steady green (not pulsing).

Reset Conditions

Auto reset when internal communication is restored, alarm reset or alarm may be manually reset by turning the unit off, then back on again.

Corrective Actions

Replace Main Microprocessor: Download data and replace main microprocessor. For complete Main Microprocessor Module replacement instructions refer to Section 1.5.2.