C Status Codes - Overview - Vaillant ecoTEC sustain 24 Installation And Maintenance Instructions Manual

Appendix
Status codes – Overview
C
Note
Since the code table is used for various products, some codes may not be visible for the product in question.
Status code
S.00 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.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
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 Accessory fault: Flue non-return flap closed or condensate pump fault
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: Operating display demo mode
S.96 Automatic test programme: Flow and return temperature sensors, heating and hot water requests blocked or
product fault.
S.98 Automatic test programme: Return temperature sensor, heating and hot water requests blocked.
S.108 Purging the combustion chamber, fan in operation
S.109 Product's standby mode activated
38
Meaning
Displays in heating mode
Displays in hot water handling mode
Other displays
Installation and maintenance instructions ecoTEC sustain 0020253094_01