Fault
code
on the
display
Const.
Weath.-
comp.
System char-
acteristics
Cause
Measures
E5
X
X
Burner
blocked
Internal fault
Check the ionisa-
tion electrode and
cables. Check the
flue gas system
for tightness.
Press "
E
RESET".
E6
X
X
Burner
blocked
System
pressure too
low
Minimum
system pres-
sure, see
page 8.
Top up with water.
E8
X
X
Burner in a
fault state
The ionisa-
tion current
lies outside
the permissi-
ble range
Check the ionisa-
tion electrode and
cable.
Press "
E
RESET".
E9
X
X
Burner in a
fault state
The ionisa-
tion current
lies outside
the permissi-
ble range
during cali-
bration
Check the ionisa-
tion electrode and
cable.
Check the flue
gas system for
tightness.
Press "
E
RESET".
EA
X
X
Burner in a
fault state
The ionisa-
tion current
lies outside
the permissi-
ble range
during cali-
bration
Check the ionisa-
tion electrode and
cable.
Press "
E
RESET".
Fault codes
(cont.)
77
Troubleshooting
5692
761
GB
Summary of Contents for Vitodens 200-W WB2B Series
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