Burner does not start up
Burner pre-purges and stops
Burner does not ignite during cycle and stops
Burner does not ignite
Burner ignites and then stops
FAULT FINDING
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Mains switch not on.
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Blown fuse.
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Boiler thermostats not made.
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Fault in control box.
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Fault in control box.
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Fault in control box.
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Fault in photo-resistor.
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Dirty ignition electrodes.
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Fault at electrodes.
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Electrodes installed wrongly.
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Faulty ignition transformer.
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Blocked nozzle.
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Nozzle needs replacing.
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Oil pressure too low.
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Blocked oil filter.
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Excessive combustion air for nozzle capacity.
-
Fault in control box.
-
Faulty nozzle.
-
Photo-resistor does not "see" flame.
-
Excessive combustion air for nozzle capacity.
-
Fault in control box.
-
Oil pressure too low.
-
Blocked oil filter.
pag.13
B
LB356 Minor 20