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Troubleshooting Guide - Advance Split Ducted Unit
Doc. 9590-2015-03 Ver. 3 221111
Troubleshooting Guide
Advance Split Ducted Unit
04. Component Troubleshooting
04.01. Testing Indoor Board
1. Disconnect wires from the Wall Control Communication and Outdoor Communication plugs into indoor
board
2. Loop the “A” terminal from the Wall Control communication plug to the “A” terminal on the Outdoor
Communication Plug
3. Loop the “B” Terminal from the Wall Control communication plug to the “B” terminal on the Outdoor
Communication Plug
4. Power the board and if the WCCOM2 LED flashes and the OUTDOORCOM1 flashes then the indoor board is
communicating.