Technical information

58
 IS THE PUMP
RUNNING?
NONO
NONO
YESYES
POWER TO
THE PUMP?
1 - Check that the pump
is not stuck
2
- Release/replace pump
1
- Check DHW flowswitch
2 - Check pump cable
3 - Check/replace P.C.B.
A
B
 IS THE FAN
RUNNING?
NONO
POWER TO
FAN ?
1 - Check Air Pressure
Switch
2 - Check/replace 
connection cable
3 - Check/replace P.C.B.
YESYES
YESYES
1 - Replace fan
YESYES
FC P002
NONO