Rayburn Two-Oven Manuale di Servizio Scaricare il pdf (Pagina 30)

SERVICING INSTRUCTIONS

FAULT FINDING

EVIDENCE OF FAULT CAUSE

Impossible to set high fire low enough

1. Too much primary air

Impossibletosetlowrehighenough 1. Too little primary air

Impossibletosetlowrelowenough 1. Too much primary air

Oil smell apparent 1. Too little primary air

2.Toolowauepull

3.Downdraughtintheue.Fitsuitableanti-downdraughtcowl

4. Flue partly or fully blocked

5.Highrescrewsettoohigh

Black stain around any door 1. Too little primary air

2.Toolowauepull

3.Downdraughtintheue.Fitsuitableanti-downdraughtcowl

4. Flue partly or fully blocked

5.Highrescrewsettoohigh

Burner carbons up after short period 1.Lowrescrewsettoolow

2.OilControllterblocked.Removeandcleanwithboilingwater

and dry thoroughly before replacing

3. Incorrect or contaminated fuel. A small amount of contamination

cancausetrouble.Cleanouttankandrellwithanewfuel

Unable to light burner 1. Control metering stem slot obstructed. To clear, turn Control

Knob from OFF to full ON several times

2. Oil Control Filer blocked. Remove and clean with boiling water

and dry thoroughly before replacing.

3. Metering stem in oil control sticking. Replace control

4. Fuel inlet blocked. Service.

5. Oil depth in burner base too shallow.

6. Oil level in tank too low

7. Air lock in oil line tank - burner - control

8. Incorrect or contaminated fuel. A small amount of contamination

cancausetrouble.Cleanouttankandrellwithanewfuel

9. Isolation valve at tank shut

10.OilControlvalveoodedandInletValveclosed

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Rayburn Two-Oven Manuale di Servizio Pagina 30