Alarm code
Modbus communication fault of supply fan 3
Modbus communication fault of supply fan 2
Modbus communication fault of supply fan 1
Modbus communication fault of OD fan 2, circuit 2
Modbus communication fault of OD fan 1, circuit 2
Modbus communication fault of OD fan 2, circuit 1
Modbus communication fault of OD fan 1, circuit 1
Compressor high discharge temperature, circuit 2
Compressor high discharge temperature, circuit 1
Auxiliary heat (thermostat) fault
Internal alarm of supply Fan 3
Internal alarm of supply Fan 2
Internal alarm of supply Fan 1
Outdoor fan fault, circuit 2
Outdoor fan fault, circuit 1
Low differential pressure, circuit 2
Low differential pressure, circuit 1
Low suction pressure, circuit 2
Low suction pressure, circuit 1
Compressor fault, circuit 2
Compressor fault, circuit 2
Compressor fault, circuit 1
Compressor fault, circuit 1
High pressure cut-out, circuit 2
High pressure cut-out, circuit 1
Compressor phase inversion detected
Smoke detector input fault
Compressor high discharge temperature, circuit 2
Compressor high discharge temperature, circuit 1
Compressor involute pressure difference, circuit 2
Compressor involute pressure difference, circuit 1
Mechanical overloads on outdoor air damper
Low suction pressure, circuit 2
Low suction pressure, circuit 1
Compressor fault, circuit 2
Compressor fault, circuit 2
Compressor fault, circuit 1
Compressor fault, circuit 1
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