Appendix
32 Installation and maintenance instructions SUSTAIN ..c 0020200954_00
Setting level Values
Unit Increment, select, explanation
Default set-
ting
Own setting
Min. Max.
d.96 Reset to factory setting – – – 0 = No
1 = Yes
– Adjustable
d.128 Heating minimum target
value
10 75 ℃ 1 10 Adjustable
d.129 Hot water minimum tar-
get value
35
(com-
bina-
tion
unit)
45
(pure
boiler)
60 ℃ 1 35 Adjustable
C Status codes – Overview
Note
Since the code table is used for various products, some codes may not be visible for the product in question.
Status code Meaning
Displays in heating mode
S.0 Heating mode: No requirement
S.01 Heating mode: Advance fan operation
S.02 Heating mode: Pump pre-run
S.03 Heating mode: Burner ignition
S.04 Heating mode: Burner on
S.05 Heating mode: Pump/fan overrun
S.06 Heating mode: Fan overrun
S.07 Heating mode: Pump overrun
S.08 Heating mode: Temporary shutdown after heating procedure
Displays in hot water handling mode
S.10 Hot water handling mode: Requirement
S.11 Hot water handling mode: Advance fan operation
S.13 Hot water handling mode: Burner ignition
S.14 DHW mode: Burner on
S.15 DHW mode: Pump/fan overrun
S.16 DHW mode: Fan overrun
S.17 DHW mode: Pump overrun
Display in Comfort mode with warm start or hot water handling mode with cylinder
S.20 Hot water handling mode: Requirement
S.21 Hot water handling mode: Advance fan operation
S.22 Hot water handling mode: Pump pre-run
S.23 Hot water handling mode: Burner ignition
S.24 DHW mode: Burner on
S.25 DHW mode: Pump/fan overrun
S.26 DHW mode: Fan overrun
S.27 DHW mode: Pump overrun
S.28 Hot water handling mode: Temporary shutdown of the burner
Other displays
S.30 Room thermostat is blocking heating mode.
S.31 No heating demand: Summer mode, eBUS controller, waiting period
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