Technical data

42
Linea 24 & 28
C1
IS
WATER FLOW
TEMPERATURE
>80 *˚C
WAIT FOR WATER
FLOW
TEMPERATURE
TO BE< 80*˚C
REPLACE PCB
DO
BURNER AND FAN
SWITCH ON
REMOVE THE LINK
BETWEEN TA & TA
ON PLUG M16 ON PCB
WAIT 30 SEC.
REPLACE PCB
REPLACE FLOW
NTC
IS FLOW
NTC OK
END
DO
BURNER , FAN
AND PUMP
SWITCH
OFF
DOES
PUMP
RUN
IS
WATER FLOW
TEMPERATURE
>78˚C
DO
BURNER AND
FAN SWITCH
OFF
REPLACE PCB
REPLACE PCB
REPLACE FLOW
NTC
IS FLOW
NTC OK
IS
WATER FLOW
TEMPERATURE
< 78˚C
DOES
PUMP SWITCH
OFF
END
BOILER
AT LOCK OUT
RESET BOILER. WAIT
ABOUT 10 SECS.
RESTART TEST
DOES
PUMP
RUN
REPLACE PCB
YES
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO