• 53 •BALTIC-IOM-0412-E / Service manual
GAS BURNERS
Gas burner troubleshouting
If faults reported on CLIMATIC™
• reset the CLIMATIC™.
• check voltage: 230v after circuit breaker.
• check gas isolation shut-off valves are open.
• check gas pressure at the inlet of the gas valves. It must be >20 mbar when the burners shut down.
• adjust the set points to priorities the burner. Increase the value of the room temperature set point to a temperature higher than
actual room temperature.
Diagnostic table baltic gas burner
Stage Normal operation Possible fault Action Possible solution
Heating requested
Green, yellow & red
l.e.d. ON
All l.e.d. OFF
→ fault on the blower
thermostat
Check connections on the
blower thermostat.
Replace thermostat
Yellow & red l.e.d. OFF
→ lack of gas supply
Check valve’s opening &
supply pressure
Restore gas supply
Red l.e.d. OFF
→ fault on the superheat
thermostat on the gas burner
support bar
Check thermostat’s operation
after manual reset
Replace thermostat
L.e.d on
Extraction fans are
running
After 10 seconds safety
shutdown by the ignition
control block
Check connections of the
control block on the gas valve
Check impedance of electro
valve’s coils: (1) = 2.90kΩ; (2)
= 1.69kΩ
repositioning of the control
block on the valve
Replace valve
Nothing happens
Check the free movement of
the fan wheel
Check electrical connection
on the gas ignition control
block and on ef connection
board
Check the fan supply voltage
Replace fan
Replace ef connection board
if necessary
Extraction fan is on
After 30 to 45 seconds:
pre-ventilation the
fi re-up electrode should
spark.
Continuous ventilation without
sparks from fi re-up electrode
Check the fi re-up electrode
Check the pressure drop at
the pressure switch: it must
be higher than 165 pa
+check the good operation of
the pressure switch using an
ohmmeter and by artifi cially
creating a depression in the
tube.
Re-position the pressure
switch tube.
Change the pressure switch.
Continuous ventilation
and sparks from fi re up
electrode.
After a few seconds the
gas burner fi res-up
After 4 seconds the gas
burner still not operating
and safety shutdown by the
ignition control block.
Check injection pressure
during start-up (value for high
heat)
Remove the control box from
the gas block.
Remove the air from the gas
pipe-work
Adjust the injection pressure
to high heat value.
Change the control box if the
gas valve is ok.
Within 4 seconds the gas
burner fi res-up but safety
shutdown from the ignition
control block.
Check the position and
connection of the ionisation
probe. It must not be earthed
(230v).
Check that r.c circuit of the
gas burner’s transformer is
well connected to the neutral
polarity
Measure the ionisation
current: it must be higher than
1.5 microamps.
Check the type of gas.
Check the whole electrical
supply.
Adjust the supply and
injection pressure if gas is
different from natural gas g20
:( g25 gas of groningue for
example).
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