Atag i24C User Manual

ATAG i Series Boiler Fault Finding 02/10/23.
(All models and generations).

Atag i24C Specifications

General

Output	24 kW
Fuel Type	Natural Gas
Mounting	Wall Mounted
ERP Rating	A
Central Heating Flow Temperature Range	30-85°C
Warranty	5 Years
Type	Combi

Summary

ATAG i Series 1st Generation Boiler Fault Finding

10 Outside sensor error

Checks for issues with the external temperature sensor.

20 Flow sensor error

40 Return sensor error

78 No pump kick detected/Faulty pressure sensor

Troubleshoots pump not starting or pressure sensor issues.

133 No flame detected

ATAG i Series 2nd Generation Boiler Fault Finding

ATAG i Series 3rd Generation Boiler Fault Finding

1P1 Flow check 1 error

1P2 Flow check 3 error

1P3 Flow check 4 error

101 Over Temperature T1 or T2 Sensor Failure

118 Water pressure too low or no pump kick detected

Resolves low water pressure or no pump start.

140 Working pressure test error 2 times (pump kick)

Diagnoses no pressure increase during pump operation.