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Troubleshooting Guide - Advance Split Ducted Unit
Doc. 9590-2015-03 Ver. 3 221111
Troubleshooting Guide
Advance Split Ducted Unit
NEO
Wall
Controller
LR7-1 /LC7-2
Wall
Controller
Outdoor
Unit
CPU
Category /
Source
Function / Fault
E63
E63
E63
VSD
VSD DC Bus Under Voltage
E64
E64
E64
VSD
VSD Compressor Loss of Rotor
E65
E65
E65
VSD
VSD Compressor U Phase Current Sensor Fault
E66*
E66*
E66*
VSD
VSD AC Voltage Imbalance / AC Input Loss of Phase
E66*
E66*
E66*
VSD
VSD Inverter De-saturation
E68
E68
E68
VSD
VSD Compressor V Phase Current Sensor Fault
E69
E69
E69
VSD
VSD PFC-IGBT Over Temp
E70
E70
E70
VSD
VSD Lost Rotor Position
E71
E71
E71
VSD
VSD Motor Temp Sensor Error
E72
E72
E72
VSD
VSD Precharge Relay Open
E73
E73
E73
VSD
VSD Compressor W Phase Current Sensor Fault
E74
E74
E74
VSD
VSD IGBT Over Current
E75
E75
E75
VSD
VSD Compressor Phase Current Fold Back Timeout
E76
E76
E76
VSD
VSD Power Module Temp. Fold Back Timeout
E77
E77
E77
VSD
VSD AC Input Current Fold Back Timeout
E78
E78
E78
VSD
VSD PFC-IGBT Temp. Low
E79
E79
E79
VSD
VSD IPM Desat Protection/Compressor HW Over Current
E80
E80
E80
VSD
VSD Motor Temp High
E81
E81
E81
VSD
VSD Board Temp High
E82
E82
E82
VSD
VSD Power Module Temp High
E83
E83
E83
VSD
VSD PFC-IGBT Temp High
E84
E84
E84
VSD
Communication Error in VSD Between DSP to PFC
E85
E85
E85
VSD
Communication Error in VSD Between Comms to DSP
E86
E86
E86
VSD
Compressor Phase Current Imbalance
E87
E87
E87
VSD
VSD 3 Phase PFC Current Imbalance
E88
E88
E88
VSD
VSD Micro Electronic or EEPROM Error
E89
E89
E89
VSD
VSD Motor Over Speed
E90
E90
E90
VSD
VSD Compressor Model Configuration Error
E91
E91
E91
VSD
VSD Inverter Temp Imbalance
E92
E92
E92
VSD
VSD PFC Temp Imbalance
E93
E93
E93
VSD
VSD Motor Temp Low
E94
E94
E94
VSD
VSD Board Temp Low
E95
E95
E95
VSD
VSD Power Module Temp Low or Sensor
(Open or short circuit)
E96
E96
E96
VSD
VSD PFC-IGBT Temp Low
E97
E97
E97
VSD
VSD Comms ADC Failure
* Applicable only for Advance R-410A (Uno Board), ** Applicable only for Advance R-32 (Uno Pro Board)