Bad Plug-In Connection At Cable Loom, Or Damaged Wiring - Buderus 24C Servicing Manual

3 Troubleshooting
Flashing
Bad plug-in connection at cable loom,
Remove the casing (page 48)
Check for a damaged or broken
connection lead between plugs
03-20 and 04-20 of the 20-core
Use the corresponding flow diagram
to diagnose and deal with the fault.
Fig. 9 Fault warning message 3C: Bad plug-in connection at cable loom, or damaged wiring
Subject to modifications resulting from technical improvements!
12 Servicing manual for wall-mounted condensing gas boiler 600 Series 11S/19S/24S/24C • Issued 02/2006
C
3
or damaged wiring
"reset"
New fault warning
message 3C?
Yes
lead to the UBA
Wiring OK?
Yes
No
No
Yes
Fit the casing (page 48)
600 Series 11S / 19S / 24S / 24C
Replace cable
"reset"
New fault warning
message?
No
OK
Buderus Ltd. • http://www.buderus-domestic.co.uk