Wired Zone Controller DWCPXY
16
Discharge temperature sensor open/
short circuited
Indoor and outdoor communication error
Compressor startup failure
DC bus under-voltage protection
High discharge temperature protection
DC bus over-voltage protection
Compressor phase current sensing
circuit error
Whole unit over-current protection
Compressor demagnetization protection
Over phase current protection
Compressor desynchronizing
IPM Temperature Protection
Compressor phase loss/reversal
protection
System charge shortage or blockage
protection
Frequency restricted/reduced with whole
unit current protection
Frequency restricted/reduced with IPM
current protection
Frequency restricted/reduced with high
discharge temperature
Frequency restricted/reduced with
antifreeze protection
Frequency restricted/reduced with
overload protection
Frequency restricted/reduced with IPM
temperature protection
Drive board temperature sensor error
Indoor unit condensation error
Temperature drift protection
AC input voltage abnormal
Sensor connection protection
Whole unit current sensing circuit error
DC bus voltage drop error
4-way valve reversing error
Outdoor fan 1 error protection
Outdoor fan 2 error protection
PG motor zero-crossing protection