How to Diagnose All 800 Zone in Trouble D8112 Series

Issue

All zones on master zone 800 show trouble condition.

Solution

If programming panel for horizontal mode, zone 808 is not used. Text for zone 808 must be disabled, and if using a D8128B module dipswitch for zone 808, should be turned to the off position on module.

Part numbers D8112, D8112A, D8112E, D8112E1, D8112G, D8112G1, D8112G2