66 Installation and maintenance instructions 0020308121_04
Diagnostics code Values
Unit Increment, select, explanation
Setting
Min. Max. Factory Current
D.000
Maximum load in heating mode
Product-
dependent
kW Adjustable partial heat load: The
adjustment range can be viewed in
the technical data. Not all products
have an adjustment range.
Auto: Product automatically adjusts
the max. partial heat load to the cur-
rent system demand.
Auto
D.001
Heating pump overrun time
1 60 min 1
Overrun time of internal heating
pump for heating mode
5
D.002
Maximum burner anti-cycling time
2 60 min 1
Maximum heating burner anti-cycling
time at 20 °C flow temperature
20
D.003
Domestic hot water temperature, ac-
tual value
Current value ℃ 1
D.004
Domestic hot water cylinder temperat-
ure
Current value ℃ Measured value for the cylinder tem-
perature sensor.
D.005
Target heating flow temperature value
Current value ℃ The maximum value that is set in
D.071 and is restricted by means of
an eBUS control (if connected).
D.006
Domestic hot water temperature target
value
Current value ℃ 35
D.008
Room thermostat status (230V)
Off, On
D.009
Target value for the eBUS control
Current value Displayed if a control is connected.
D.010
Status of the heating pump
Current value Off, On
D.011
Status of the external pump
Current value Off, On
D.012
Status of cylinder charging pump
Current value Off, On
D.013
Status of circulation pump
Current value Off, On
D.015
Actual pump speed
Current value %
D.016
Room thermostat status (24V)
Current value Off, On
D.017
Heating control type
Flow temperature control
Return temp. control (If you have
activated the return temperature con-
trol, the automatic heat output de-
termination function is not active.)
Flow tem-
perature
control
D.018
Heating pump operating mode
Permanent (pump runs while there
is a demand from the room thermo-
stat)
Eco (pump runs intermittently after
burner operation. Pump cycle: 5
minutes on/25 minutes off.)
Eco
D.020
Setting the max. domestic hot water
temperature
50 70 ℃ 1
Only products with domestic hot wa-
ter generation
70
(Boiler)
65
(Combi
boiler)
D.021
Status of warm start for DHW
Current value Off, On
D.022
Status of DHW demand
Current value Off, On
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