Buderus 24C Servicing Manual page 25

Troubleshooting
page 24
21
Check fuse F1 (page 53)
Fuse OK?
No
Fuse (1.25 AT) should be
replaced
Has fuse
been replaced twice in
quick succession?
Yes
A
page 46
Fig. 22 Continuation of fault warning message 6A: F1 fuse defective, or no ionisation message after ignition
Subject to modifications resulting from technical improvements!
Servicing manual for wall-mounted condensing gas boiler 600 Series 11S/19S/24S/24C • Issued 02/2006
Yes
Replace hot surface ingitor
(page 59)
A
page 46
No
Check hot surface ingitorhot surface
ingitor (page 59)
No
hot surface
ingitor OK?
Yes
Measure ionisation current
(page 63)
Yes
Ionization
electrode OK?
No
Replace ionization electrode
(page 63)
"reset"
Fit the casing
(page 48)
600 Series
11S / 19S / 24S / 24C
OK
Buderus Ltd. • http://www.buderus-domestic.co.uk
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