Fault Finding
Burner Fault Finding
Burner does not start up
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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.
Burner pre-purges and stops
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Fault in control box.
Burner does not ignite during cycle
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Fault in control box.
and stops
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Fault in photo-resistor.
Burner does not ignite
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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 to low.
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Blocked oil filter.
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Excessive combustion air for nozzle capacity.
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Fault in control box.
Burner ignites and then stops
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Faulty nozzle.
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Photo-resistor does not ‘see’ flame.
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Excessive combustion air for nozzle capacity.
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Fault in control box.
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Oil pressure to low.
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Blocked oil filter.
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Содержание Heatranger 8120K
Страница 27: ...26 Fault Finding FIG 46 Appliance Control Panel Internal Wiring ...
Страница 28: ...27 Fault Finding Burner Control Wiring FIG 47 ...
Страница 32: ...31 ...