Operating Instructions
Boulter Buderus Ltd.
Magnet House
Whitehouse Road
Ipswich
Suffolk, IP1 5JA
http://www.boulter-boilers.com
7
21.230
A -
210
2A -
08/20
03
9.2
Operational and fault codes (table 2)
Operating conditions and possible faults are shown on
the display (fig. 3, item 3). The codes consists of two
characters. Press the Service button (fig. 3, item 2) to
display the second character.
z
All codes not contained in table 2 should be noted
down separately. These are malfunctions that
require the presence of a specialist technician.
Fig. 3
Operational and fault codes
*
Flashing after three start-up attempts.
Table 2
Operational and fault codes
I
0
1
10
1
10
5
1 2
3
1
10 1
0
1
1
2
11
kW
10
Display
Display after pressing the
service button
Meaning
Rectification
0
A
,
H
,
L
,
P
,
U
,
Y
Boiler is ready for operation
6
*
A
Burner not ignited
Press reset button (fig. 3, item 1).
If the burner fails to ignite after several
unblocking operations, consult a specialist
company.
-
.
H
Normal heating mode
