Boiler model
ATAG ATAG iC Fault Codes
Verified fault-code information for the i-Range (2019 and newer) range.
Fault-code index
- 101 — i-Range (2019 and newer)
Overheat.
Read fault code - 102 — i-Range (2019 and newer)
Pressure sensor error.
Read fault code - 103 — i-Range (2019 and newer)
Flow check failed three times (flow-check sequence 1, 3 or 4; last check 1).
Read fault code - 104 — i-Range (2019 and newer)
Flow check failed.
Read fault code - 105 — i-Range (2019 and newer)
Flow check failed three times (flow-check sequence 1, 3 or 4; last check 3).
Read fault code - 106 — i-Range (2019 and newer)
Flow check failed three times (flow-check sequence 1, 3 or 4; last check 4).
Read fault code - 107 — i-Range (2019 and newer)
Flow check 5 failed.
Read fault code - 108 — i-Range (2019 and newer)
Pressure below Pmin (less than 0.5 bar); filling is needed.
Read fault code - 109 — i-Range (2019 and newer)
Pressure above Pmax.
Read fault code - 110 — i-Range (2019 and newer)
Flow (send) probe damaged.
Read fault code - 112 — i-Range (2019 and newer)
Return probe damaged.
Read fault code - 114 — i-Range (2019 and newer)
Outdoor sensor damaged.
Read fault code - 118 — i-Range (2019 and newer)
Send and return probe plausibility check failed.
Read fault code - 140 — i-Range (2019 and newer)
Dynamic pressure check failed, or no pump detection.
Read fault code - 1P4 — i-Range (2019 and newer)
Pressure below Pmin (0.5–0.8 bar); filling is needed.
Read fault code - 201 — i-Range (2019 and newer)
Domestic-hot-water probe damaged (combi).
Read fault code - 303 — i-Range (2019 and newer)
PCB fault.
Read fault code - 304 — i-Range (2019 and newer)
Too many resets.
Read fault code - 501 — i-Range (2019 and newer)
No flame detected.
Read fault code