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How to Troubleshoot Oct. Relay Fault DS7400 Series


 

Issue

Symptom

The keypad displays Oct. Relay Fault.

Probable Cause

  1. The octal relay module ( DS7488 ) is defective or the wiring to the module is defective.

  2. There is not a DS7488 or a DS7488 has been removed from the system.

Solution

  1. Check the wiring to the module.

  2. Enter the programming mode. This will rescan the options bus and clear the problem.

Part numbers DS7400X, DS7400, DS7400Xi, DS7400XIVER2, DS7400XIVER3+, DS7400XIVER4+,  DS7488