125
[L02] Combination error
The model name of the outdoor unit is not HWT-xxxxH(R)W-E.
Replace the outdoor unit with the proper model.
And check the combination of INJ type or not is correct.
[L07] Communication error
At the time of power on, detecting the above failure automatically activates the automatic address setting
mode.
(Check code is not output)
Note that if the above failure is detected in the automatic address setting mode, a check code may be output.
[L09] Communication error
[L16] Error
In DN_6B9, 6BA of Hydro unit DN code, if ZONE1 is not set and ZONE2 is set, [L16] displays abnormality.
Set correctly DN_6B9, 6BA.
[L22] Error
DN_680 setting in group control are not the same for all units, [L22] displays abnormality.
Set correctly DN_680.
Yes
Set hydro unit capacity data
Setting item code (DN_11)
401, 601 = 10
801, 1101 = 15
Check water heat exchange
control board
If defective, replace it
No
Hydro unit capacity
is set
PC board
MCC-1753
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