Troubleshooting
Instructions for installation and servicing ecoTEC 839592_13
63
8
Display
Meaning
Display value/adjustable value
d.36
Hot water flow sensor
in l/min
d.40
Flow temperature
Actual value in °C
d.41
Return temperature
Actual value in °C
d.44
Digitised ionisation potential
Display range of 0 to 102, > 80 no flame, < 40 even flame
d.47
Outside temperature
(with weather compensating Vaillant controller only)
Actual value in °C
d.67
Remaining burner anti cycling time
in min
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 second diagnostic level
Password: 17
Table 8.2 Diagnostic codes of the first diagnostic level
(continued)
Second diagnostic level
>
As described above in the first diagnostic level, scroll
through the diagnostic number
d.97
.
>
Change the displayed value to
17
(password) and
press the “
i
” button.
You are now in the second diagnostic level where all
information from the first diagnostic level (see Table 8.2)
and the second diagnostic level (see Table 8.3) is dis-
played.
Display
Meaning
Display value/adjustable value
d.17
Heating flow/return regulation changeover
0 = flow, 1 = return (factory setting: 0)
d.18
Pump mode (return)
0 = return, 1 = nonstop, 2 = winter (factory setting: 0)
d.19
Only in ecoTEC plus:
Operating modes of the two-speed heating pump
0 = pre ignition speed 1, hot water or heating speed 2, overrun speed
1
1 = pre ignition speed 1, hot water speed 2, heating speed 1, overrun
speed 1
2 = like 1, but speed in heating mode dependent on heating part load
d. 0 (if d.0 is below 60% of full load, then pump speed 1,
otherwise speed 2)
3 = always speed 2
(factory setting: 2)
d.20
Maximum set value for target cylinder temperature
(system boilers only)
Setting range: 50 to 70 °C (factory setting: 65 °C)
d.27
Switching accessory relay 1 in the accessory module
1 = Circulation pump (default)
2 = Ext. pump
3 = Storage charging pump
4 = Flue gas flap/extractor hood
5 = External gas valve
6 = External error message
d.28
Switching accessory relay 2 in the accessory module
1 = Circulation pump
2 = Ext. pump (default)
3 = Storage charging pump
4 = Flue gas flap/extractor hood
5 = External gas valve
6 = External error message
Table 8.3 Diagnostics codes of the second diagnostic level
Scrolling and changing values and exiting the diagnostic
mode is done as described in the first diagnostic level.
i
After exiting the second diagnostic level, if
you press “i” and “+” within 4 minutes, you
will directly reach the second diagnostic level
without having to enter the password again.
Содержание ecoTEC plus
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