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ecoTEC exclusive installation and maintenance instructions / 0020017768_04
Troubleshooting 9
Display Meaning
Display value/adjustable value
d.0
Heating partial load
adjustable heating partial load in kW
d.1
Water pump return time for heating mode
2 - 60 minutes (factory setting: 5)
d.2
Max. blocking time heating at 20°C feed temperature
2 - 60 minutes (factory setting: 20)
d.3
Measured value for the hot water outlet temperature
in °C
d.4
Measured value for the hot start sensor
in °C
d.5
Feed temperature target value (or return tempera-
ture target value, if return flow regulation selected)
in °C, max. of the value set in d.71
limited by an eBUS controller, if fitted)
d.6
Set hot water temperature
35 to 65 °C
d.7
Set hot water retention temperature
40 to 65 °C
15 °C left, then 40 °C up to value set in d.20 (max. 70 °C)
d.9
Feed target temperature from external analogue
regulator to terminal 7-8-9/eBus
in °C, minimum from ext. eBus target value and target
value terminal 7
d.10
Status internal heating pump
1 = on, 0 = off
d.11
Status external heating pump
1 to 100 = on, 0 = off
d.12
Cylinder charging pump
0 = off, 1 - 100 = on
d.13
Circulation pump
0 = off, 1 - 100 = on
d.15
Pump speed actual value
Actual value internal pump in %
d.16
Room thermostat 24 V
DC
on terminal 3‘ and 4‘
0 = Room thermostat open (no heat request)
1 = Room thermostat closed (heat request)
d.22
Hot water demand
1 = on, 0 = off
d.23
Summer mode (heating on/off)
1 = heating on, 0 = heating off (summer mode)
d.25
Storage tank charging /hot water charging via
eBUS controller released
1 = yes, 0 = no
d.30
Control signal for both gas valves
1 = on, 0 = off
d.33
Fan speed target value
in rpm/10,
d.34
Fan speed actual value
in rpm/10,
d.35
Position of the preference changeover valve
0 = heating; 100 = hot water; 40 = centre position
d.36
Through-flow sensor hot water actual value
in l/min
d.40
Flow temperature
actual value in °C
d.41
Return flow temperature
actual value in °C
d.44
Digitalised ionisation voltage
Display range 0 to 102, >80 no flame, <40 good flame display
d.47
External temperature (with weather-controlled
Vaillant controller)
actual value in °C
d.67
Remaining burner locking time
in minutes
d.76
Appliance variant (device specific number)
00 to 99
d.90
Digital regulator status
1 = identified, 0 = unidentified (eBUS Address
≤
10)
d.91
DCF status with connected external probe with
DCF77 receiver
0 = no reception, 1 = reception, 2 = synchronised, 3 = valid
d.97
Activation of the 2nd diagnosis level
Password: 17
d.98
Telephone installer
Programmable telephone number
d.99
Language variant
Available languages: 0 = German, 1 = English, 2 = Dutch
Table 9.2 Diagnosis codes in the 1st. diagnosis level
