Buderus 24C Servicing Manual page 26

3 Troubleshooting
page 24
Check switching contact of floor
thermostat (page 53)
Switch contact
OK?
Check lead connections on gas
burner subassembly
Wiring connec-
tions OK?
Check gas-burner subassembly for
correct activation (page 60)
Activation
page 46
Fig. 23 Continuation of fault warning message 6A: F1 fuse defective, or no ionisation message after ignition
Subject to modifications resulting from technical improvements!
26 Servicing manual for wall-mounted condensing gas boiler 600 Series 11S/19S/24S/24C • Issued 02/2006
22
No
Yes
No
Yes
Yes
OK?
No
A
Connect switch contact
correctly
Connect wiring correctly
Replace gas-burner assembly
(page 60)
"reset"
Fit the casing
(page 48)
600 Series
11S / 19S / 24S / 24C
OK
Buderus Ltd. • http://www.buderus-domestic.co.uk