For 36K-48K Outdoor Unit
Communication malfunction between indoor and outdoor units.
Protection of over-current
Open circuit or short circuit of outdoor ambient temperature sensor T4
Open circuit or short circuit of condenser coil temperature sensor T3
Open circuit or short circuit of Compressor discharge temperature
sensor T5
Outdoor unit EEPROM error
Outdoor fan speed has been out of control
Over voltage or over low voltage protection
High temperature protection of compressor top
Outdoor low temperature protection
Inverter compressor drive error
High temperature protection of indoor coil in heating
Outdoor temperature protection of outdoor coil in cooling
Discharge temperature protection
Protection of active PFC module
Communication error between control board and IPM board
Hi-pressure switch protection
Low-pressure switch protection
Outdoor IGBT temperature sensor error
Outdoor check function
Display running frequency, running state or malfunction
code
Indoor unit capacity demand code
Actual data*HP*10
If capacity demand code is higher than 99, the digital display
tube will show single digit and tens digit. (For example, the
digital display tube show “5.0”,it means the capacity demand
is 15. the digital display tube show “60”,it means the
capacity demand is 6.0)
Amendatory capacity demand code
The frequency after the capacity requirement
transfer
The frequency after the frequency limit
The frequency of sending to 341 chip
Indoor unit evaporator outlet temperature(heating
T2，cooling T2B)
If the temperature is lower than 0 degree, the digital display
tube will show “0”.If the temperature is higher than 70
degree, the digital display tube will show “70”.
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