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Troubleshooting Guide - Advance Split Ducted Unit
Doc. 9590-2015-03 Ver. 3 221111
Troubleshooting Guide
Advance Split Ducted Unit
Table of Contents
01. General Troubleshooting .................................................................................................... 3
02. EC Fan Troubleshooting ...................................................................................................... 4
03. Indoor Fan PWM and RPM Limits Table ................................................................................ 6
03.01. Advance R-410A (UNO Board) ....................................................................................... 6
03.02. Advance R-32 (UNO-Pro Board) .................................................................................... 6
04. Component Troubleshooting .............................................................................................. 7
04.01. Testing Indoor Board ...................................................................................................... 7
04.02. Expected Control Voltage On Communication Line - InZone Board (R-410A / R-32) .. 8
04.03. Expected Control Voltage On Communication Line - UNO Board Series (R-410A) ...... 8
04.04. Expected Voltage - InZone PCB To Indoor Fan .............................................................10
04.05. Compressor Winding Resistance ..................................................................................11
04.06. Condenser Fan Winding Resistance .............................................................................12
04.07. Other Component Coil Resistances .............................................................................13
04.08. EEV Resistance .............................................................................................................13
04.09. Temperature-Resistance Table For Sensors .................................................................13
04.10. Pressure-Voltage Table For Pressure Transducers ........................................................17
05. Fault and Status Codes ....................................................................................................... 21
05.01. Status Codes .................................................................................................................21
05.02. Fault Codes ...................................................................................................................21
05.03. Fault Code Troubleshooting .........................................................................................21