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

Status codes – Overview
D
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: Fan prerun
S.02 Heating mode: Pump prerun
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 Domestic hot water mode: Requirement
S.11 Domestic hot water mode: Fan prerun
S.13 Domestic hot water 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 domestic hot water mode with cylinder
S.20 Domestic hot water mode: Requirement
S.21 Domestic hot water mode: Fan prerun
S.22 Domestic hot water mode: Pump prerun
S.23 Domestic hot water 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 Domestic hot water mode: Temporary shutdown of the burner
S.30 Room thermostat is blocking heating mode.
S.31 No heating demand: Summer mode, eBUS control, 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/operating block function due to water deficiency (flow/return spread too large)
S.54 Waiting period: Water deficiency 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 domestic hot water demand
blocked or product fault.
S.98 Automatic test programme: Return temperature sensor, heating and domestic hot water demand blocked.
S.108 Purging the combustion chamber, fan in operation
S.109 Product's standby mode activated
0020253094_05 ecoTEC sustain Installation and maintenance instructions
Meaning
Displays in heating mode
Displays in domestic hot water mode
Other displays
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