C Status Codes - Overview - Vaillant ecoFIT pure 412 Installation And Maintenance Instructions Manual

Appendix
Status codes – Overview
C
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
30
Displays in heating mode
Display in hot water handling mode with cylinder
Other displays
Installation and maintenance instructions ecoFIT pure 0020230535_05
Meaning