133
Displayed
fault code
System characteris-
tics
Cause
Measures
E8
Burner in a fault
state
The ionisation cur-
rent lies outside the
permissible range
Check gas supply (gas
pressure and gas flow
switch), gas train and con-
necting lead.
Check allocation of gas
type (see page 52).
Check ionisation elec-
trode:
■ Distance to burner
gauze assembly (see
page 61)
■ Contamination of elec-
trode
Press reset button
R
.
EA
Burner in a fault
state
Ionisation current
outside permissi-
ble range during
calibration (devia-
tion from previous
level too great)
Check flue system; reme-
dy flue gas recirculation if
required.
In open flue operation,
prevent high incidence of
dust in the combustion
air.
Press reset button
R
.
Following several unsuc-
cessful reset attempts, re-
place the boiler coding
card and press reset but-
ton
R
.
Eb
Burner in a fault
state
Repeated flame
loss during calibra-
tion
Check gap between ioni-
sation electrode and burn-
er gauze assembly (see
page 61).
Check allocation of gas
type (see page 52).
Check flue system; reme-
dy flue gas recirculation if
required.
Press reset button
R
.
Troubleshooting
Fault codes
(cont.)
5773 238 GB
Service
Содержание B2UA
Страница 10: ...10 13 14 15 Preparing for installation Preparing the installation cont 5773 238 GB ...
Страница 11: ...11 16 Preparing for installation Preparing the installation cont 5773 238 GB Installation ...
Страница 12: ...12 sF 17 19 21 20 18 Preparing for installation Preparing the installation cont 5773 238 GB ...
Страница 13: ...13 24 22 23 Preparing for installation Preparing the installation cont 5773 238 GB Installation ...
Страница 14: ...14 27 26 25 Preparing for installation Preparing the installation cont 5773 238 GB ...
Страница 15: ...15 28 2x 2x 29 30 Preparing for installation Preparing the installation cont 5773 238 GB Installation ...
Страница 21: ...21 Removing the front panels 2 4 2x 1 3 5 Installation sequence Installing the boiler 5773 238 GB Installation ...
Страница 22: ...22 Siting and levelling the boiler 1 2 SW17 Installation sequence Installing the boiler cont 5773 238 GB ...
Страница 29: ...29 2x 4x 4 3 5 2 1 Installation sequence Opening the control unit casing 5773 238 GB Installation ...
Страница 39: ...39 5 4 2 6 2x 3 1 Installation sequence Closing the control unit casing 5773 238 GB Installation ...
Страница 41: ...41 2x 1 4 2 3 5 Installation sequence Fitting the front panels 5773 238 GB Installation ...
Страница 185: ...185 0010 0004 0001 0003 0004 0005 0009 0006 0007 0008 0007 0002 Parts lists Cylinder module cont 5773 238 GB Service ...
Страница 199: ...199 5773 238 GB ...