Ariston microGENUS II 31 MFFI - Page 50

YESYES
YESYES
NONO
IS THE
P
UMP 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 Control Knob
POWER TO
THE PUMP?
YESYES
YESYES
IS
THE LOW WATER
PRESSURE SWITCH
WORKING CORRECTLY?
E02: does not reset
N
ONO
NONO

A
B