3.
c
press this button again,
"
Außentemperatur
" (outside
temperature) is displayed.
4.
b
for the required language.
5.
d
to confirm.
Function sequence and possible faults
Display screen
Measures
Control unit is-
sues heat de-
mand
No
Increase set
value and ensure
heat is drawn off
Yes
Oil preheating
starts
No
after approx.
10 min
Check the oil pre-
heater, cables
and plug-in con-
nectors
Fault
E6
Yes
Fan starts after
no more than
10 min.
Green LED on
ignition transfor-
mer flashes.
No
Fault
Check the oil pre-
heater, fan,
cables and plug-
in connectors
(the oil preheater
has not switched
through; the tem-
perature is not
achieved)
F9
Yes
The air pressure
switch responds
No
after approx. 51 s
Check the air
pressure switch,
cables and plug-
in connectors
Fault
F5
Further details regarding the individual steps
(cont.)
11
Commissioning, inspection, maintenance
5692
779
GB
Содержание VITOLADENS333-F
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