D Status Codes - Overview - Vaillant ecoTEC plus Installation And Maintenance Instructions Manual

Appendix
Setting level
d.129 Hot water minimum tar-
get value
Status codes – Overview
D
Status code
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
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
S.30 Room thermostat is blocking heating mode.
S.31 No heating demand: Summer mode, eBUS controller, waiting period
S.32 Fan waiting time: Fan speed outside of the tolerance values
S.34 Frost protection active
S.39 Underfloor heating contact open
S.42 Flue non-return flap closed
S.46 Frost protection mode (Comfort): Minimum load
S.53 Product in waiting period/operation block function due to low water pressure (flow/return spread too large)
S.54 Waiting period: Low water pressure in the circuit (flow/return spread too large)
S.88 Product purging active
S.91 Maintenance: Demo mode
S.96 Automatic test programme: Return temperature sensor, heating demands blocked.
S.98 Automatic test programme: Return temperature sensor, heating demands blocked.
S.99 Internal automatic test programmes
S.108 Purging the combustion chamber, fan in operation
S.109 Product's standby mode activated
28
Values
Unit
Min. Max.
℃
35 60
(com-
bina-
tion
unit)
45
(pure
boiler)
Displays in heating mode
Display in hot water handling mode with cylinder
Other displays
Increment, select, explanation
1
Meaning
Installation and maintenance instructions ecoTEC plus 0020200871_00
Default set-
Own setting
ting
35 Adjustable