Low temperature dehumidification fault
High and low temp. protection of evaporator
High temp. protection of condenser
High and low temp. protection of environment
High discharge temperature of compressor
Abnormal discharge in commodity inspection mode (compressor reversal)
T3 abnormal in commodity inspection heating mode (System exception, 4-way valve
disconnected)
Lower frequency because of voltage limit
Lower frequency because of high or low temp. limit of evaporator
Lower frequency because of high temp. limit of condenser
Lower frequency because of high discharge temp. of compressor
Lower frequency because of IPM temperature limit
Lower frequency because of current limit
1.3 One drive three/four/five outdoor unit
Communication error between IDU and ODU
Environment temperature (T4) sensor fault
Discharge temperature sensor fault
Condenser temperature sensor fault
AC overcurrent/undercurrent protection
Communication error between main chip and DSP
To Next Page
Loading...
