Nova Florida Pictor Dual, Инструкция по установке, эксплуатации и обслуживанию

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6. TROUBLESHOOTING
BOILER STATUS MALFUNCTION PROBABLE CAUSE SOLUTION
The boiler has shut down, and red
light no. 5 is flashing.
Turn selector 9 to reset position in
order to resume boiler operation Burner does not ignite Gas supply failure Check gas pressure
Check gas network safety valve
Gas valve has disconnected Reconnect gas valve
Gas valve is faulty Replace it
PCB is faulty Replace it
Burner does not ignite Spark electrode is faulty Replace it
Ignition transformer is faulty Replace ignition transformer
PCB is faulty Replace PCB
Burner ignites for a few seconds and
then goes off PCB does not detect flame: inverted
phase and neutral Verify correct neutral and phase
connections
Flame detection electrode wire is
disconnected or faulty Connect flame detection electrode
wire or replace it
Detection electrode is faulty Replace electrode
PCB does not detect flame Replace PCB
P ACC Ignition value set point
is too low Adjust P ACC ignition value set point
Min heat input is not set correctly Check burner adjustment
The boiler has shut down and red
light no. 4 is flashing.
Turn selector 9 to reset position in
order to resume boiler operation Flue pressure switch is not operating
(CTFS models only) Flue pressure switch is faulty Check flue pressure switch and
replace if necessary
Silicone pipes are disconnected or
faulty Reconnect or replace silicone pipes
Insufficient air intake or flue gas
discharge Check air/flue gas ducts: unclog or
replace as needed
Fan is faulty Replace it
PCB is faulty Replace it
Flue thermostat has shut boiler down
(CTN models) Air / flue system is clogged Check flue gas ehaust and air intake
vent grilles in the boiler room
Flue gas thermostat is faulty Replace it
The boiler has shut down and red
light no. 3 is flashing.
Turn selector 9 to reset position in
order to resume boiler operation Boiler safety thermostat has shut
boiler down CH water does not flow: pipes might
be clogged, thermostatic valves
might be shut, system stopcocks
might be closed Check CH system
Pump is stuck or faulty Check the pump
The boiler has shut down and red
light no. 6 is flashing.
Reset boiler by replenishing correct
water pressure Insufficient water pressure Possible water leaks Check system for leaks
Pressure switch is disconnected Reconnect it
Water pressure switch is faulty Replace it
The boiler has shut down, red
light no. 2 and green light no. 8 are
flashing. Boiler will automatically
resume operation when the problem
is solved CH probe is not operative CH probe is disconnected Reconnect it
CH probe is faulty Replace it
The boiler has shut down and red
light no. 2 is flashing.
Boiler will automatically resume ope-
ration when the problem is solved DHW probe is not operative DHW probe is disconnected Reconnect it
DHW probe is faulty Replace it
Boiler is not providing DHW DHW flow metre is not operative System insufficient pressure or
capacity Check DHW system
Check DHW flow metre filter
Flow metre sensor is disconnected
or faulty Reconnect or replace it
Flow metre is stuck Replace it