Vaillant 0010015674, Installation And Maintenance Instructions Manual

Page: 43 / 56

0020238195_07 ecoTEC plus Installation and maintenance instructions
43
Setting level Values
Unit Increment, select, explanation
Default set-
ting
Own setting
Min. Max.
d.95 Software versions
– – –
1 = Main PCB
2 = Interface PCB
–
Adjustable
d.96 Reset to factory settings
– – –
0 = No
1 = Yes
–
Adjustable
d.128 Heating minimum target
value 10 75
℃
1 10 Adjustable
d.129 Domestic hot water min-
imum target value 35
(combi
boiler)
45
(sys-
tem
boiler)
60
℃
1 35 Adjustable
D Status codes
–
Overview
Status code Meaning
Displays in heating mode
S. 0 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
Display in 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
Other displays
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 Flue non-return flap closed
S.46 Frost protection mode (Comfort): Minimum load
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: 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