67
bit11: Secondary anti-freezing protection in
winter (0-no/1-yes)
bit12:
A
nti-freezing protection of system 1
(0-no/1-yes)
bit13
:
Reserved
bit14: room temperature sensing failure
(0-no/1-yes)
bit15
:
Reserved
2086
16
write
bit0: System 1 exhaust over-temperature
protection (0-no/1-yes)
bit1
：
Reserved
bit2
：
Reserved
bit3: Fan 1 overload speed limit (0-no/1-yes)
bit4: Fan 2 overload speed limit (0-no/1-yes)
bit5: Protection for excessive water
temperature difference between inlet and outlet
(0-no/1-yes)
bit6: Protection against excessive outlet water
temperature (0-no/1-yes)
bit7: Water mixer outlet water temperature
sensing failure (0-no/1-yes)
bit8: Hot water return water temperature
sensing failure (0-no/1-yes)
bit9: Hot water outlet temperature sensing
failure (0-no/1-yes)
bit10
：
Reserved
bit11
:
Reserved
bit12
:
Reserved
bit13
:
Reserved
bit14
:
Reserved
bit15
:
Reserved
DIGI1
