Service manual

3.10 STATUS INDICATIONS
High voltage!
The wirin
g
of the
p
um
p
, the three-wa
y
valve, fan and wirin
g
of the
g
as block can be under a volta
g
e of 230 VA
C
each burner start
(
after the mostl
y
, this lock-out is 1 boiler does check both flow use view o
p
tion in
p
um
p
test
p
ro
g
ram
)
, the boiler is related to a water flow flashin
g
not
p
ass and return sensors menu mode
doin
g
a tem
p
erature test.
p
roblem tem
p
erature for function
The flow sensor must rise b
y
3°C test
more than the return sensor, test sensor re
p
lace sensor
within the first 20 seconds.
(
R=12 kOhm@25°C
)
if the difference is not made, the
boiler will make a re-start. obstruction in water o
p
en
(
thermostatic
)
After three failed re-starts, water circuit valves or zone systems
within one heat demand,
(
flow or return
)
boiler runs into lock-out
install a differential
Reset the appliance. bypass valve between
Press the “+” button for 5-10 seconds, the status 8 comes u
p
(
water
p
ressure
)
flow and return
Start demand for heat with the chimne
y
swee
p
er function. Read the
p
ressures.
a
)
. if the delta P is under 0,05 bar, the boiler has no water. check flow o
f
b
)
. if the delta P is above 0,54 bar
(
0,64 for t
yp
e 40 and TWIN
)
, the water does not flow. water throu
g
h
c
)
. If the delta is between 0,05 and 0,54
(
0,64 for t
yp
e 40 and TWIN
)
, heat exchan
g
e
r
the water flow is all ri
g
ht, the
p
um
p
test ends.
flow sensor o
p
en circuit 1 flow senso
r
check flow senso
r
use view o
p
tion in
continuous function menu mode
test sensor re
p
lace sensor
broken flow sensor, or wirin
g
(
R=12 kOhm@25°C
)
p
roblem
flow sensor short circuit 1. flow senso
r
check flow senso
r
use view o
p
tion in
continuous function menu mode
test sensor re
p
lace sensor
(
R=12 kOhm@25°C
)
Trouble shooting manual EN E000129004