Ukim Defective - Buderus 24C Servicing Manual

Troubleshooting
Set the mains switch to "0".
Check wiring connection in UBA
(page 53)
Connections OK?
No
Connect all terminals correctly
Set the mains switch to "1".
Use the corresponding flow diagram
to diagnose and deal with the
fault
Fig. 38 Fault warning message 9U: Incorrect cable connection at UBA (KIM defective)
Subject to modifications resulting from technical improvements!
Servicing manual for wall-mounted condensing gas boiler 600 Series 11S/19S/24S/24C • Issued 02/2006
9
Flashing
Wiring to gas-valve assembly incorrect,
or loose wiring connections in UBA
Remove the casing (page 48)
Yes
KIM connected
correctly?
Yes
A
page 46
"reset"
New fault warning
message 9U?
Yes
Other fault warning
message ?
Fit the casing
(page 48)
600 Series
11S / 19S / 24S / 24C
OK
U
No
Yes
No
No
Buderus Ltd. • http://www.buderus-domestic.co.uk
"reset"
"reset"
Set the mains switch to "1".
Contact Buderus
Customer Service
Fit the casing
(page 48)
3
41