Technical data

Linea 24 & 28
43
REPLACE PCB
WAIT 3 MIN.
WAIT 1 MIN.
C
IS
VOLTAGE
ACROSS TERMINALS OF
MODULATOR COIL
>10 VDC
SWITCH CH
THERMOSTAT TO
MIN.
DO
BURNER
AND FAN
SWITCH
OFF
IS
WATER FLOW
TEMPERATURE
>40 ˚C
WAIT FOR WATER
FLOW
TEMPERATURE
TO BE >40˚C
REPLACE PCB
SWITCH CH
THERMOSTAT TO
MAX.
DO
BURNER AND FAN
SWITCH ON
REPLACE PCB
REMOVE
JUMPER
JP8 ON PCB
IS
TIMER JUMPER
PRESENT AT
JP8 ON
PCB
RESTART THE
TEST
C1
YES
NO
NO
NO
YES
YES
YES
NO
NO
YES