B Diagnostics Level 2 Diagnostics Codes - Vaillant atmoTEC exclusive Installation And Maintenance Instructions Manual

Appendix
Diagnostics code
d.36 Domestic hot water flow
meter
d.40 Flow temperature
d.41 Return temperature
d.44 Digitalised ionisation
voltage
d.47 Outdoor temperature (with
weather-compensated Vaillant
control)
d.48 Flue gas temperature
d.49 Supply air temperature
d.67 Remaining burner anti-cyc-
ling time
d.76 Unit type (Device specific
number)
d.90 Status of the digital control
d.91 DCF status with outdoor
temperature sensor and DCF77
receiver connected
d.97 Activation of diagnostics
level 2
d.99 Set the language (exclusive
only)
B Diagnostics level 2 diagnostics codes
Note
Since the code table is used for various products, some codes may not be visible for the product in question.
Diagnostics code
d.14 Set the pump speed
d.17 Switch heating flow/return
temperature control
d.18 Pump mode (overrun)
d.20 Cylinder temperature limit
(product without integrated do-
mestic hot water generation and
with connected cylinder)
d.27 Switching accessory relay 1
30
Values
Unit
Min. Max.
Current value l/min
℃
Current value
℃
Current value
–
Current value
℃
Current value
℃
Current value
℃
Current value
Current value min
–
Current value
–
Current value
–
Current value
–
0 99
–
Current value
Values
Unit
Min. Max.
–
0 5
–
0 1
–
0 2
℃
50 70
–
1 6
Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04
Increment, select, explanation
–
–
–
Value range 0-102
–
–
–
–
–
0 = Not recognised
1 = Recognised
0 = No reception
1 = Reception
2 = Synchronised
3 = Valid
Password: 17
–
Increment, select, explanation
0 = Auto
1 = 53%
2 = 60%
3 = 70%
4 = 85%
5 = 100%
0 = Flow
1 = Return
0 = Overrun
1 = Continuous
2 = Winter
1
1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Flue non-return flap/extraction hood
5 = External gas valve
6 = External fault message
Default set-
ting
–
–
–
–
–
–
–
–
–
–
–
–
–
Default set-
ting
0
0
0
65
2