B Status Codes - Overview - Vaillant ecoTEC pro 24 Installation And Maintenance Instructions Manual

Status codes – Overview
B
Note
Since the code table is used for various products, some codes may not be visible for the product in question.
Statuscode
S.00 Heating: No heat de-
mand
S.01 Heating mode: Fan start-
up
S.02 Heating mode: Pump
pre-run
S.03 Heating mode: Ignition
S.04 Heating mode: Burner
on
S.05 Heating mode: Pump/fan
overrun
S.06 Heating mode: Fan over-
run
S.07 Heating mode: Pump
overrun
S.08 Heating mode: Anti-cyc-
ling time
S.10 DHW demand
S.11 DHW mode: Fan start-up
S.13 DHW mode: 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 over-
run
S.20 DHW demand
S.21 DHW mode: Fan start-up
S.22 DHW mode: Pump pre-
run
S.23 DHW mode: 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 over-
run
S.28 DHW anti-cycling time
S.30 No heat demand: Con-
troller
S.31 No heat demand: Sum-
mer mode
S.32 Waiting time deviation:
Fan speed
S.34 Heating mode: Frost pro-
tection
S.39 Contact thermostat
triggered
S.40 Comfort protection act-
ive
S.41 Water pressure too high
0020244995_02 ecoTEC pro Installation and maintenance instructions
Meaning
Heating has no heat demand. The burner is off.
The fan start-up for heating mode is activated.
The pump prerun for heating mode is activated.
The ignition for heating mode is activated.
The burner for heating mode is activated.
The pump/fan overrun for heating mode is activated.
The fan overrun for heating mode is activated.
The pump overrun for heating mode is activated.
The anti-cycling time for heating mode is activated.
The domestic hot water demand is activated.
The fan start-up for domestic hot water mode is activated.
The ignition for domestic hot water mode is activated.
The burner for domestic hot water mode is activated.
The pump/fan overrun for domestic hot water mode is activated.
The fan overrun for domestic hot water mode is activated.
The pump overrun for domestic hot water mode is activated.
The domestic hot water demand is activated.
The fan start-up for domestic hot water mode is activated.
The pump prerun for domestic hot water mode is activated.
The ignition for domestic hot water mode is activated.
The burner for domestic hot water mode is activated.
The pump/fan overrun for domestic hot water mode is activated.
The fan overrun for domestic hot water mode is activated.
The pump overrun for domestic hot water mode is activated.
The anti-cycling time for domestic hot water mode is activated.
Room thermostat blocks heating mode.
Summer mode is activated; there is no heat demand.
The waiting period for the fan start-up is activated.
The frost protection function for heating mode is activated.
The surface-mounted thermostat or the condensate pump has triggered.
The comfort protection mode is activated.
The system pressure is too high.
Appendix
35