Specifications

Troubleshooting
62 Instructions for installation and servicing ecoTEC 839592_13
8
Display Meaning Display value/adjustable value
d. 0 Heating part load Adjustable heating part load in kW (factory setting: max. output)
d. 1 Water pump over run time for heating mode 2 - 60 min (factory setting: 5 min)
d. 2
Max. burner anti cycling period at 20 °C Flow
temperature
2 - 60 min (factory setting: 20 min)
d. 3
Hot water flow temperature reading (combination boiler
only)
in °C
d. 4
Current temperature for warm start sensor
(combination boilers only)
Current storage tank sensor (system boilers only)
in °C
d. 5
Flow temperature target value or return target value
when return regulation is set.
in °C, max. the value set in d.71
Limited by the eBUS controller (if an eBUS controller is connected)
d. 6 Hot water temperature target value in °C, 35 to 65 °C
d. 7
Warm start temperature target value
(ecoTEC plus combination boiler only)
Storage temperature target value (system boiler only)
in °C, 40 to 65 °C
in °C, 15 °C for left stop, then 40 to 70 °C
d. 8 External controls heat demand (Clamp 3-4)
0 = open (no heat request)
1 = closed (heat request)
d. 9
Flow 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 (via accessory module) 1 to 100 = on, 0 = off
d.13 Hot water circulation pump (via accessory module) 1 to 100 = on, 0 = off
d.22 Hot water demand 1 = on, 0 = off
d.23 Summer/Winter function 1 = Winter, 0 = Summer
d.25 Hot water activation via eBUS Control 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 diverter valve (combination boilers only) 0 = Heating; 100 = Hot water; 40 = Centre position
Table 8.2 Diagnostic codes of the first diagnostic level