Vaillant ecoTEC plus 612 Instructions For Installation And Servicing page 43

Display Meaning
d. 0 Heating part load
d. 1 Water pump over run time for heating mode
Max. burner anti cycling period at 20 °C Flow tempera-
d. 2
ture
Hot water flow temperature reading (combination boiler
d. 3
only)
Current temperature for warm start sensor
d. 4 (combination boilers only)
Current storage tank sensor (system boilers only)
Flow temperature target value or return target value
d. 5
when return regulation is set.
d. 6 Hot water temperature target value
Warm start temperature target value
d. 7 (ecoTEC plus combination boiler only)
Storage temperature target value (system boiler only)
d. 8 External controls heat demand (Clamp 3-4)
Flow target temperature from external analogue regula-
d. 9
tor to terminal 7-8-9/eBUS
d.10 Status internal heating pump
d.11 Status external heating pump
d.12 Cylinder charging pump (via accessory module)
d.13 Hot water circulation pump (via accessory module)
d.22 Hot water demand
d.23 Summer/Winter function
d.25 Hot water activation via eBUS Control
d.30 Control signal for both gas valves
d.33 Fan speed target value
d.34 Fan speed actual value
d.35 Position of diverter valve (combination boilers only)
d.36 Hot water flow sensor
d.40 Flow temperature
d.41 Return temperature
d.44 Digitised ionisation potential
Outside temperature
d.47
(with weather compensating Vaillant controller only)
d.67 Remaining burner anti cycling time
d.76 Appliance variant (device specific number)
d.90 Digital regulator status
DCF status with connected external probe with DCF77
d.91
receiver
d.97 Activation of the second diagnostic level
Table 8.2 Diagnostic codes of the first diagnostic level
Instructions for installation and servicing ecoTEC / 839592_09
Display value/adjustable value
Adjustable heating part load in kW (factory setting: max. output)
2 - 60 min (factory setting: 5 min)
2 - 60 min (factory setting: 20 min)
in °C
in °C
in °C, max. the value set in d.71
Limited by the eBUS controller (if an eBUS controller is connected)
in °C, 35 to 65 °C
in °C, 40 to 65 °C
in °C, 15 °C for left stop, then 40 to 70 °C
0 = open (no heat request)
1 = closed (heat request)
in °C, minimum from ext. eBUS target value and target value terminal
7
1 = on, 0 = off
1 to 100 = on, 0 = off
1 to 100 = on, 0 = off
1 to 100 = on, 0 = off
1 = on, 0 = off
1 = Winter, 0 = Summer
1 = yes, 0 = no
1 = on, 0 = off
in rpm/10
in rpm/10
0 = Heating; 100 = Hot water; 40 = Centre position
in l/min
Actual value in °C
Actual value in °C
Display range of 0 to 102, > 80 no flame, < 40 even flame
Actual value in °C
in min
00 to 99
1 = identified, 0 = unidentified (eBUS Address <=10)
0 = no reception, 1 = reception, 2 = synchronised, 3 = valid
Password: 17
Troubleshooting 8
43