Ferroli Domina Oasi F 24 E Technical Manual page 35

FERELLA BOIL F 24 - 30 MEL
Flow Diagram 2
Checking Hot Water Operation
Is the relay
RY 102 closed?
YES
Check the
electrical
connections of
the circulators
Check and if
Check and if
necessary
necessary
change the
change the
main card
circulator
Flow Diagram 3
Checking Heating Operation
Set the hot water
temperature to minimun
Set the temperature for
heating to maximum
Make sure the room
thermostat is activated
Is LED4 blinking?
YES
Wait for 2 minutes
Has LED4 stopped blinking?
NO
Check and if necessary
change the heating sensor
Version - 09.2002
DOMINA OASI F 24 - 30 E
KEA AIR COMPACT E
Set the hot water
temperature to maximum
YES
Is LED3 on?
YES
Is the tap water
NO
circulator turning?
YES
LED4 blinking
NO
NO
Is the relay RY 100 closed?
NO
Check and if necessary
change the limit thermostat
Does the circulator turn?
Proceed with
NO
RY100 closed?
Proceed with
YES
NO
YES
Check and if necessary
change the main card
YES
Proceed with
diagram 4
NO
RY 101 closed?
YES
diagram 4
necessary change
Is the relay
NO
YES
Check the limit
diagram 4 thermostat
Check and if necessary change
the hot water sensor
Check and if necessary change
the flow sensor
YES
Is the relay
NO
Check and if
Check the
electrical connection
the main card
Check and if
necessary change
the circulator
35