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23
Er40
Out of phase protection
Abnormal driving control
Check if the compressor is connected
properly
Replace drive PCB
Er41
Compressor current
protection
Abnormal driving control
Check if the refrigerant is sufficient and
the vacuum of the system if sufficient
Replace drive PCB
Replace compressor
Er42
Inside coil temperature
sensor error
Sensor disconnected or defective
Reconnect or replace sensor
Er45
Drive PCB ambient temp.
thermo-bulb error
Abnormal driving control
Replace drive PCB
Er46
Input power abnormal error
Abnormal driving control
Check if the input voltage is normal
Replace drive PCB
Er47
Excessive input current
protection
Abnormal driving control
Check if the refrigerant is sufficient and
the vacuum of the system if sufficient
Replace drive PCB
Replace compressor
Er48
IPM thermo-bulb error
Abnormal driving control
Replace drive PCB
Er49
PFC module protection
Abnormal driving control
Replace drive PCB
Replace compressor
Er50
PFC thermo-bulb error
Abnormal driving control
Replace drive PCB
Er51
Software control error
Abnormal driving control
Replace drive PCB
Er52
VDC voltage too low
protection
Abnormal driving control
Replace drive PCB
Содержание Z250
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