alarm, 0: normal
BIT12: pressure signal, 1: pressure signal fault, 0:
normal
BIT13: temperature signal, 1: temperature signal
fault, 0: normal
BIT14: low temperature protection, 1: low
temperature alarm, 0: normal
BIT15: master state, 1: run, 0: stop
BIT0: tip for maintenance of component 1, 1: need
maintenance, 0: normal
BIT1: tip for maintenance of component 2, 1: need
maintenance, 0: normal
BIT2: tip for maintenance of component 3, 1: need
maintenance, 0: normal
BIT3: tip for maintenance of component 4, 1: need
maintenance, 0: normal
BIT4: tip for maintenance of component 5, 1: need
maintenance, 0: normal
BIT11: Maintenance overtime reminder, 1:
Maintenance overtime reminder, 0: Normal
BIT13: Low exhaust pressure reminder, 1: Low
pressure pre-alarm, 0: Normal