30
In the “MURELLE BF CE” version, upon
demand for D.H.W. or heating,
fan fails to turn at max speed.
In the “MURELLE 20 TX CE IONO” vers.,
the fan turns but the burner does not start.
In the “MURELLE 20 TX CE IONO” vers.,
fan fails to turn.
– Check capacitor C; if faulty, replace.
– Replace fan.
– Make sure the smoke pressure switch PF is working
and that the corresponding contact is in rest condi-
tion.
– Check whether connection tubes of smoke pressure
switch PF are obstructed and, if necessary, clean
away impurities or condensate.
– Smoke pressure switch PF needs replacing with a new
factory-calibrated one.
– Replace electronic board.
– Check whether connection pipe of smoke pressure
switch PF are obstructed and, if necessary, clean
away impurities or condensate.
– Smoke pressure switch PF needs replacing with a new
factory-calibrated one.
– Check whether electric power is reaching the termi-
nals of the activator motor.
– Motor winding is burnt out; replace.
