Technical information

61
YESYES
YESYES
NONO
I
S THE
PUMP RUNNING?
1. Check if there is air in
the system
2. Check the main circuit flow
switch operation
3. Check the pressure on the
water gauge and fill system
to 1 bar
1. Check pump cable
2. Check/replace
main P.C.B.
Release/replace
pump
Turn the
ON/OFF button
P
OWER TO
THE PUMP?
YESYES
YESYES
IS
THE LOW WATER
PRESSURE SWITCH
WORKING CORRECTLY?
E02: does not close
NONO
NONO
A
B