1: Maintenance required; 0: Normal
BIT5: Reserved
BIT6: Auxiliary temperature signal
1: Auxiliary temperature signal fault; 0:
Normal
BIT7: Reserved
BIT8: Auxiliary temperature pre-alarm signal
1: Temperature pre-alarm; 0: Normal
BIT9: Reserved
BIT10: Auxiliary temperature alarm signal
1: Temperature alarm; 0: Normal
BIT11: Maintenance timeout remainder
1: Maintenance timeout remainder; 0:
Normal
BIT12: Phase sequence remainder
1: Fault; 0: Normal
BIT13: Solenoid valve overcurrent signal
1: Solenoid valve alarm, 0: Normal
BIT14: PTC overtemperature signal
1: PTC overtemperature alarm; 0: Normal
BIT15: Emergency stop signal
1: Emergency stop signal alarm, 0: Normal
Display the remaining time of restart delay
(P18.16). After the system stops, it will enter