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FIGURE TWENTY FOUR: CALL LED NOT STEADY
FIGURE TWENTY THREE: CALL LED NOT FLASHING
IS NEUTRAL
CONNECTED TO
N CONTROL
NEUTRAL MUST BE CONNECTED
TO N ON THE CONTROL CONNECTOR
CHANGE THE CONTROL PCB
NO
YES
IS THERE 230V
BETWEEN R AND N
CONTROL
CHECK THE WIRING TO
THE BOILER
NO
YES
IS THE 240V
DEMAND AVAILABLE
CHECK AND SET THE PROGRAMMER
AND THERMOSTATS ON
NO
YES
CALL LED NOT FLASHING
NO
DOES THE MAIN
RCD TRIP
CHANGE CONTROL PCB
YES
CALL LED NOT STEADY
AFTER 3 MINUTES
CHECK THE INSULATION ON THE ELEMENTS