Troubleshooting
3
Subject to modifications resulting from technical improvements!
Buderus Ltd. • http://www.buderus-domestic.co.uk
18
Servicing manual for wall-mounted condensing gas boiler 600 Series 11S/19S/24S/24C • Issued 02/2006
Fig. 15
Fault warning message 4H: Dripping tap
Flashing
4
Dripping tap
H
Yes
Please deal with this item
No
There is constant heat monitoring
over a period of 4 hours, but the
boiler has been heating up for less
than 20 minutes. The hot water
requirement is now blocked for one
hour, or the restriction lifted if a heat
requirement arises.
New fault warning
message
4H
?
"reset"
600 Series
11S / 19S / 24S / 24C
OK
No
Yes
Is there a
dripping tap somewhere in
the hot-water system?
