65
MYDENS
COSMOGAS
7 - USE
Lock
Lock description
Checks
Solutions
Loc 10 E2prom memory parameters incorrect
Replace the control board.
Loc 11 Software error on the control board
Replace the control board.
Loc 12 Software error on the control board
Replace the control board.
Loc 13 Software error on the control board
Replace the control board.
Loc 14 Software error on the control board
Replace the control board.
Loc 15 Flue gas fuse
Check that the high limit flue gas
temperature fuse (detail "18" of Figure 2) has
not been triggered.
If the flue gas temperature fuse has been
triggered (the contact is open), before
replacing it, carefully check the appliance
efficiency as detailed in section 8.23;
WARNING!!! If the efficiency is not within
the specified limits DO NOT ATTEMPT
TO RESET THEM, but contact the
manufacturer.
The supply temperature exceeds 105°C with
the gas valve closed
Check that the electrical resistance of the
two supply sensors (detail "35" of Figure 2)
matches the graph in section 8.24.
If one of the two sensors does not match, the
double supply sensor must be replaced.
Check that the gas valve closes the gas
correctly when the burner switches off.
The gas valve must be replaced if it does not
close correctly.
Exchanger malfunction
Check that the primary heat exchanger
temperature fuse (detail "54" of Figure 2) has
not intervened.
If the primary heat exchanger temperature
fuse has intervened (the contact is open),
the exchanger must be replaced.
Loc 16 Flue gas maximum temperature.
WARNING!!! If the lock is repeated more
than once a day, switch-off the appliance
and contact a qualified service centre.
NOT ATTEMPT TO REPAIR THE
APPLIANCE.
Check there is no air in the central heating
circuit; bleed the highest radiators.
Bleed the air from the appliance and from
the highest central heating elements with
respect to the appliance.
Check the pump is operating correctly.
If the pump is not working, it must be
replaced.
Check that the flue gas temperature is
not more than 30°C above the return
temperature.
If the difference between the return
temperature and the flue gas temperature
is above 30°C, contact a qualified service
centre.
Measure the appliance efficiency, it must
correspond to value declared in the technical
features.
If the efficiency does not correspond to the
data at the end of the manual, the primary
heat exchanger is probably dirty from the
flue gas side or the water side. Clean and
check efficiency again.
Loc 17 Software error on the control board
Replace the control board.
Loc 18 Software error on the control board
Replace the control board.
Loc 19 Software error on the control board
Replace the control board.
Loc 20 Flame present 10 seconds after gas valve is
closed
Replace the gas valve or the control board.
Loc 21 Flame present before ignition
Replace the gas valve or the control board.
Содержание Adveco MYDENS 15B
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