
Green Heating Technology
41
Alarms - boiler block
Following a malfunction, the boiler can lockout and show a particular signal,
or
on
the display, with an alarm code
"E…"
. In the following table, all the alarm signals are listed, their most
probable causes and the suggested solutions. Generally:
•
identifies those
alarms the user can restore
by pressing the
button. It normally
blinks
, but after 5 reset actions in 24 hours the action on the
button has no more effect.
To have 5 further reset possibilities, it's possible to switch off the electrical supply to the boiler for 30 seconds, by using the
purposed external switch, even if this work-around won't solve the problem and it will be necessary to call the Service Centre;
•
identifies those
alarms the user can not restore
, as they are generated by the diag
-
nostic system when a component has been detected as faulty.
The user is allowed to switch off the electri
-
cal supply to the boiler for 30 seconds, by using the purposed external switch, but should the alarm happen again, it will be
necessary to call the Service Centre.
Operations accompanied by the symbol are always reserved to the Technician. Operations
with grey background are reserved to the Technician.
Signal
Probable causes
Suggested solutions
E01
Boiler just installed
(air mixed to gas).
Retry the ignition several times: use the
button.
When the 5 reset possibilities are over, to have 5 more, it's possible to switch off the
electrical supply to the boiler for 30 seconds, by using the purposed external switch.
The flame has extin
-
guished or it did not
ignite
Restore the boiler function by using the
button.
In case of frequent blocks, verify the correct combustion, the
good state and the cleaning of the burner.
Incorrect com-
bustion / flame de
-
tachment from the
burner
Check that the Intake/Outlet Ducts and the respective terminals are
clean and in good condition, and that there are no leaks in them.
During the installation, respect the regulation prescriptions, the
slopes and the lengths (see "Flue systems" on page 21).
Note for the TECHNICIAN:
The burner flame is not detected by the control electron
-
ics because it has not turned on or it has suddenly turned off, or it has detached
from the burner, because of an incorrect combustion. This can be due, in exam
-
ple, to combustion product reflow into intake duct, leaks in intake/outlet ducts
or errors in sizing of ducts (ducts length out of the allowed range).
Condensate drain
problem
Verify and restore the correct condensate drain�
Warning!
DO NOT open the combustion assembly before
having cleared the drain and removed the condense accu
-
mulated in the combustion chamber.
This alarm is caused by the
condensate that, after having partially filled the combustion chamber, reach
-
es the detection electrode and inhibits the detection of the flame ionisation.
Then, check the combustion and verify that the burner is clean and
in good conditions.
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