Brand hub
Ideal Fault Codes
Find Ideal boiler fault code explanations with conservative guidance for safe checks and lockout faults. Use this hub to move into the right appliance section, then open the exact fault code page for quick meaning, safe first checks, and escalation advice.
Appliance hubs
1
Fault code pages
18
Guides linked in
1
Appliance types
Top fault codes in this cluster
C0 for Boiler
A boiler sensor is giving an invalid reading
C2 for Boiler
A boiler sensor is giving an invalid reading
C5 for Boiler
Fan, flue, or air pressure sensing problem
C6 for Boiler
Fan, flue, or air pressure sensing problem
C7 for Boiler
Control board or internal communication fault
D4 for Boiler
System water pressure is too low
F1 for Boiler
System water pressure is too low
F2 for Boiler
Flame detection has been lost during operation
F3 for Boiler
Fan, flue, or air pressure sensing problem
F4 for Boiler
The boiler has failed to ignite properly
F5 for Boiler
A boiler sensor is giving an invalid reading
F6 for Boiler
A boiler sensor is giving an invalid reading