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Domestic hot water cylinder temperature
sensor is not properly connected.
Check sensor’s wiring.
When sensor is operational
,
error will be
automatically dismissed and boiler will
continue with normal operation.
-
check sensor wiring
-
contact authorized service
personnel to resolve the
problem
Domestic hot water cylinder temperature
sensor is not properly connected or short
circuit is present on sensor’s wiring.
Check sensor’s wiring.
When sensor is operational
,
error will be
automatically dismissed and boiler will
continue with normal operation.
-
check sensor wiring
-
contact authorized service
personnel to resolve the
problem
Overheating
Safety thermostat is activated.
-
Wait until temperature inside
the boiler drops below at least
90
⁰C, reset safety thermostat
and switch on miniature
circuit breaker
–
F11 inside
the boiler.
-
contact authorized service
personnel
Blinking of service symbol
indicates
that time for service declared by
manufacturer has expired.
-
make service on the boiler
-
reset service interval after
performing the boiler service
-
contact authorized service
personnel
Possible malfunctions – graphic control panel
After reseting the thermal fuse, make sure the MCB or
disconnection switch inside the boilers is switched on.
The control and energy power circuits are separated and the boiler
control can be active if energy part is disfuncioned.