A.O. Smith BFC - 28 - Manual (Page 47)

Service condition
Release R.1.3 UK 47
gis
6.4 Service condition
Figure 6.7 shows the message SERVICE REQUIRED . Should this message
appear, then the appliance is in need of a service and maintenance inspection.
In that case, contact your service and maintenance engineer.
n Remark
The message SERVICE REQUIRED is based on the number of burning
hours and the preset service interval. Should the service interval have been
incorrectly selected, contact the service and maintenance engineer for
instructions on how to adjust this. See chapter
’11 Maintenance frequency’ .
!!! WARNING !!!
MAX. BURNINGHOURS:
SERVICE REQUIRED
Figure 6.7 Service required