Atag i24S

41 | P a g e
ATAG i Series 3rd generation boiler fault finding.
Fault codes or error:
1 Fault
1 Fault
2 Fault
3 Fault
4 Fault
5 Fault
6 Fault
7 Fault
Other
1P1
1P2
1P3
1P4
1P9
101
102
110
112
114
118
140
141
142
201
203
205
3P9
303
304
306
309
411 to
416
420
5P1
5P2
5P3
5P6
501
502
504
612
7P1
701 to
706
711 to
716
722
723
750
Heat
Generation
Lock
Blank screen
Pump Lights
Sensor
resistances
Bus Address
Collision
103
143
Boiler stuck on
Initializing
104
105
106
107
108
109
144
145
Pump always
on.
Constant Pump
Active (usually
with 7P1).
Zone manager
& Zone
Manager Light
LED’s.