Filter
Top Products
21
YES
YES
NO
IS 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
Push the
RESET button
POWER TO
THE PUMP?
YES
YES
IS
THE MAIN
CIRCUIT FLOW SWITCH
WORKING CORRECTLY?
A21: does not close
A22: does not open
NO
NO
A
B
Model 24 MFFI/24RFFI System