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8
Troubleshooting
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
d. 2
temperature
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
d. 9
regulator 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)
Table 8.2 Diagnostic codes of the first diagnostic level
62
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
Instructions for installation and servicing ecoTEC 839592_13
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