40
BOILER STATUS
PROBLEM
POSSIBLE CAUSE
SOLUTION
The boiler has shut down. The symbol
is displayed and code E01 flashes.
Turn selector 2 to RESET to resume
boiler operation.
Burner does not ignite.
Gas supply failure.
Check gas pressure.
Check that the gas valve opens or
whether any system safety valves have
cut in.
Gas valve disconnected.
Reconnect it.
Gas valve faulty.
Replace it.
PCB faulty.
Replace it.
Burner does not ignite: spark not
generated.
Spark electrode faulty.
Replace the spark electrode.
Ignition transformer faulty.
Replace the ignition transformer.
PCB faulty.
Replace PCB.
Burner ignites for a few seconds and
then goes off.
PCB does not detect flame: phase and
neutral connections are inverted.
Verify correct neutral and phase
connections to the power mains.
Flame detection electrode wire faulty.
Reconnect or replace wire.
Flame detection electrode faulty.
Replace electrode.
PCB board does not detect flame.
Replace PCB.
Ignition value setpoint too low.
Increase value setpoint.
Min. heat input not set correctly.
Check burner setting.
The boiler has shut down. The symbol
is displayed and code E03 flashes.
Turn selector 2 to RESET to resume
boiler operation.
One of the boiler safety thermostats
has cut in.
Difficult draught at chimney.
Check the chimney and ambient air
suction grilles.
Flue gas thermostat faulty.
Replace it.
The boiler has shut down. The symbol
is displayed and code E02 flashes.
Operation can be resumed by resetting
the pressure in the system.
Boiler safety thermostat has cut in.
CH water does not flow: pipes might
be clogged, thermostatic valves might
be shut, system stopcocks might be
closed.
Check CH system.
Pump blocked or faulty.
Check the pump.
The boiler has shut down. The symbol
is displayed and code E10 flashes.
Operation can be resumed by resetting
the pressure in the system.
Insufficient water circulation in the
system.
Possible water leaks.
Check system for leaks.
Main water pressure switch
disconnected.
Reconnect it.
Main water pressure switch faulty.
Replace it
The minimum pressure gauge is
disconnected.
Reconnect it.
The minimum pressure gauge does not
intervene.
It’s faulty.
The boiler has shut down. The symbol
is displayed and code E05 flashes.
Operation is resumed automatically
when the cause of shutdown has been
removed.
CH probe not working.
CH probe disconnected.
Reconnect it.
CH probe faulty.
Replace it.
The boiler does not work in DHW
mode. The symbol
is displayed
and code E06 flashes.
Operation is resumed automatically
when the cause of shutdown has been
removed.
DHW probe not working
(KC model only).
DHW probe disconnected.
Reconnect it.
DHW probe faulty.
Replace it.
The boiler does not work in DHW
mode. The symbol
is displayed
and code E12 flashes.
Operation is resumed automatically
when the cause of shutdown has been
removed.
Storage tank probe not working
.
KR model with external optional boiler
and NTC probe.
Water heater probe disconnected.
Reconnect it.
Water heater probe faulty.
Replace it.
6.
TROUBLESHOOTING
Содержание TAHITI CONDENSING IST 03 C 298 - 02
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