79
Display message
F1
R e t u r n
h i g h
T e m p
p u m p
o n
9 9 9 , 5
h r s
Reason
The maximum return temperature as set in the parameters is exceeded.
Display message
F3
R e t u r n
s e n s o r
e r r o r
p u m p
o n
9 9 9 , 5
h r s
Reason
Return sensor not detected by the boiler caused by faulty connection/sensor.
Display message
F17
W a t e r
h i g h
l
i m i
t
p u m p
o n
9 9 9 , 5
h r s
Reason
Maximum thermostat (clixon) measured a too high flow temperature.
Display message
F7
F l u e
t e m p
t o o
h i g h
p u m p
o n
9 9 9 , 5
h r s
Reason
Flue gas temp. exceeds the limit more than 3 times within a certain time frame.
Display message
F5
N o n
R e t u r n
V a l v e
p u m p
o n
9 9 9 , 5
h r s
Reason
Contact signal of the non-return valve failed.
Display message
F13
P a r a m / H a r d w
f a u l
t
p u m p
o n
9 9 9 , 5
h r s
Reason
Fault during programming of the boiler software parameters.
Display message
F12
p r o g r a m m i n g
e n d
p u m p
o n
9 9 9 , 5
h r s
Reason
Software parameters have been programmed.
Display message
F19
S i p h o n
s w i
t c h
p u m p
o n
9 9 9 , 5
h r s
Reason
The pressure switch detects a high pressure in the flue/siphon system.
