Servicing; Operating Codes - Buderus 600 - 11R Installation And Servicing Instructions

5

Servicing

5 Servicing
5.1

Operating codes

NOTE
If the code displayed on the burner-control
unit is not listed under the operating codes
or fault warnings, the burner-control unit
itself is malfunctioning.
Display Display after
pressing the
service
button
0
A
H
L
U
Y
-.
A
H
Y
r
Buderus • http://www.buderus-domestic.co.uk
46 Installation and servicing instructions for wall-mounted condensing gas boiler Buderus 600 - 11R/19R/24R • 02/2006
Meaning
Buderus 600 - 11R / 19R / 24R is ready for operation
Burner interval circuit, 10 min. from burner start-up
Standby activated, Buderus 600 - 11R / 19R / 24R ready to provide heat
Initial safety period: self-testing of burner-control unit during burner start-up
Post- or pre-purging period of fan unit
Flow temperature over set point
Buderus 600 - 11R / 19R / 24R
"Chimney-sweep" mode, flow-temperature controller by passed, Buderus 600 - 11R / 19R / 24R
heating to previously entered flow temperature.
Normal heating mode
Service mode
Reset
running in heating mode
Subject to modifications resulting from technical improvements!