B Overview Of Diagnostics Codes - Vaillant ecoTEC exclusive 843 Installation And Maintenance Instructions Manual

Appendix
Setting level
Accessory relay 1
Accessory relay 2
Set the type of gas
Contact details
End the installation assistant?
¹Fault lists are only displayed, and can only be deleted, if faults have occurred.
B Overview of diagnostics codes
Note
Since the code table is used for various products, some codes may not be visible for the product in question.
Code Parameter
D.000 Heating partial load
D.001 Pump overrun: Heating
D.002 Max. anti-cycl. time: Heat-
ing
D.003 Outlet temperature actual
value
D.004 Cylinder temperature ac-
tual value
D.005 Heating target flow temper-
ature
D.006 Outlet temperature target
value
36
Values
Unit Increment, select, explanation
Min. Max.
–
1 10 1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extractor hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Legionella protection pump (not active)
10 = Solar valve (not active)
–
1 10 1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extractor hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Legionella protection pump (not active)
10 = Solar valve (not active)
–
0 2 0: Natural gas
1: Propane 50 mbar
2: Propane 30/37 mbar
–
Phone number 0-9
– – –
Yes, No
Values
Unit Increment, select, explanation
Min. Max.
Output-range- kW Adjustable partial heat load
specific
Auto: Product automatically adjusts
max. partial load to current system
demand
1 60 min Overrun time of internal heating
pump for heating mode
1
2 60 min Max. burner anti-cycling time heat-
ing at 20 °C flow temperature
1
–
Current value °C
Current value °C Measured value of domestic hot
water sensor
Current value °C Flow temperature target value (or
return target value)
Current value °C Domestic hot water temperature
target value (only products with in-
tegrated domestic hot water gener-
ation)
Installation and maintenance instructions ecoTEC exclusive 0020193968_03
Default
setting
2
2
–
–
–
Default Own
setting setting
Auto
5
20
–
Not ad-
justable
–
Not ad-
justable
–
Not ad-
justable
–
Not ad-
justable