Operational And Fault Codes - Buderus 500 Series User Manual

10.2

Operational and fault codes

Operating conditions and possible faults can be seen,
pressing the C key.
All codes not contained in table 1 should be noted down
separately. These are malfunctions that require the presence
of a CORGI installer.
Display after
pressing
service but-
C
ton " "
0A, 0C, 0E, 0H,
0L, 0U, 0Y
6A
-H
=H
table 1 Operational and fault codes
http://www.buderus-domestic.co.uk
Meaning
Boiler is ready
for operation
Burner not
ignited
Normal heating
mode
Normal hot
water mode
Initial start-up
Rectification
Press Reset button "B" (fig. 7,
item 3). If the burner fails to ignite
after several unblocking opera-
tions, consult a CORGI installer.
Maximum comfort when set at
60 °C
10
25