Technical data

54 Installation and servicing instructions for wall-mounted condensing gas boiler Buderus 600 - 11R/19R/24R • 02/2006
Buderus • http://www.buderus-domestic.co.uk Subject to modifications resulting from technical improvements!
Servicing5
Code Meaning
9U KIM defective
Possible
cause
Action
1 Kim connected incorrectly or KIM defective Check the KIM connector and fan connector.
If the connectors are fine then contact the technical
support of Buderus
Code Meaning
E with
any
character
but P
UBA defective
Possible
cause
Action
1 Regulating device may have to cope with interference – Check if for example induction fields interfere with the
regulating device
– Check if the are any peaks in the electrical network
2 UBA may be defective – Press reset. If fault code remains then try to temporarily
connect a different UBA (see subsection 5.3.3)
Code Meaning
EP Non compatible UBA fitted
Possible
cause
Action
1 Regulating device may have to cope with interference – Check if for example induction fields interfere with the
regulating device
– Check if the are any peaks in the electrical network
2 Kim connected incorrectly or KIM defective – Check the KIM connector and fan connector. If the
connectors are fine then contact the technical support of
Buderus
Problem: No heating, despite that there is a demand for heat and the boiler is operational
– Check regulating device configuration and/ or the wiring
– Check the wiring between the regulating device and the UBA (see subsection 5.3.6)
– Check all the wiring
– Check the UBA and replace if necessary (see subsection 5.3.3)