Appendix
0020214272_04 atmoTEC exclusive, atmoTEC plus Installation and maintenance instructions
31
Diagnostics code
Values
Unit
Increment, select, explanation
Default set-
ting
Min.
Max.
d.28
Switching accessory relay 2
1
6
–
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
2
d.52
Offset for minimum step
motor position
0
99
–
1
Only change after the gas valve assembly has been
replaced
Product-
dependent
d.53
Offset for maximum step
motor position of the gas valve
assembly
-99
0
–
1
-25
d.56
Set the flue gas character-
istic line
0
2
–
0: Austria characteristic line
1: Europe standard characteristic line
2: Not suitable for use
1
d.58
Activation of solar potable
water post-heating (product with
integrated domestic hot water
generation); raising the minimum
target potable water temperat-
ure.
0
3
–
0: Solar post-heating deactivated (adjustment range
for the target potable water temperature: 35-65 °C)
1: Solar post-heating activated (adjustment range for
the target potable water temperature: 60
–
65 °C)
2: Solar post-heating activated (adjustment range for
the target potable water temperature: 35
–
65 °C)
3: Solar post-heating deactivated (adjustment range
for the target potable water temperature: 60
–
65 °C)
0
d.60
Number of temperature
limiter shut-downs
Current value
–
–
–
d.61
Number of flame sequence
control faults
Current value
–
Unsuccessful ignitions at last attempt
–
d.63
Fuel gas fault meter
Current value
–
Flue gas exit detected
–
d.64
Average ignition time
Current value
s
–
–
d.65
Maximum ignition time
Current value
s
–
–
d.68
Unsuccessful ignitions at
1st attempt
Current value
–
–
–
d.69
Unsuccessful ignitions at
2nd attempt
Current value
–
–
–
d.70
Set the prioritising diverter
valve position
0
2
–
0 = Normal operating mode
1 = Mid-position
2 = Permanent heating mode position
0
d.71
Max. target heating flow
temperature
40
85
℃
1
75
d.72
Pump overrun after char-
ging a domestic hot water cylin-
der (also warm start and char-
ging via C1/C2)
0
600
s
10
Product with
domestic hot
water
generation:
20
Product
without
domestic hot
water
generation:
80
d.73
Offset for target warm start
value
-15
5
K
1
0
d.75
Maximum cylinder charging
time (for cylinders without their
own control system)
20
90
min
1
45
d.77
Domestic hot water genera-
tion partial load
Product-
de-
pend-
ent
Product-
de-
pend-
ent
kW
1
Full load
