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