Boulter Camray 5 Installation & Maintenance Manual page 65

5. Burner lights up, runs
continuously and emits
visible smoke or shows
excess smoke on
combustion check
6. Burner lights up, runs
normally but flame cuts
off slowly on shut down
(possibly with smoke or
pulsation)
7. Burner Pulsates
(a) continuously
BOULTER BUDERUS CAMRAY 5 PAGE 54
7. Burner pulsates
(a) continuously
(b) at initial firing
8. Burner locks out on
morning starts then runs
perfectly for rest of day
9. Burner fails due to blown
fuse.
file://D:\PL47000\PL47000.htm
joints or defective gland
packings)
Motor not driving pump Check that flexible drive is functioning correctly
shaft and not slipping.
Blocked atomiser nozzle Remove and replace nozzle.
Oil pressure abnormally Check oil pressure on gauge and set to the correct
low pressure (see
Solenoid valve faulty Break union at outlet to check presence of oil.
Check that seat is clear. Check coil for continuity.
Inspect coil feed wiring to control box.
Pump rotation incorrect Check.
Ignition failure:
Electrodes dirty Inspect and clean if necessary.
Electrodes mis-set Inspect and reset gap 3 to 4mm between tips.
2mm in front of nozzle face.
Cracked electrode Check and replace if cracked or crazed.
insulator.
Electrode leads Check for proper connections
Air shutter closed Reset to correct position.
Wrong nozzle Check make, type and spray angle.
Worn atomiser nozzle Replace if necessary.
Oversize nozzle fitted in Check size and replace with correct size of
error necessary.
Nozzle incorrectly Replace with correct nozzle.
stamped
Burner air supply Inspect air intake and fan for fouling of impeller
inadequate with dirt.
Burner oil pressure Check pressure and reset to correct pressure (see
excessive Technical
Air in nozzle Should self-correct; if air repeatedly present; for
leaks on oil line and flexible.
Magnetic valve not Inspecting and replace if necessary.
operating correctly
Shut off piston in pump Replace pump.
sticking
Air shutter setting Inspect and reset or remove blockage.
incorrect or fan inlet
blocked
Grossly oversized Checked and replace with correct size and type
nozzle (see
Air supply inadequate Check fan operation and cleanliness.
Worn nozzle with Replace with nozzle of correct type and size (see
excess throughout or Technical
uneven spray pattern
Air in supply line Purge at pump to remove.
Blocked flue ways Clean boiler and flue.
Localised low voltage Check with local Electricity Board to fit recorder.
supply in early morning Enlist aid of the Board.
Air present in oil supply Restart burner several times - press lockout reset
button repeat 7(b) above.
Bottom of oil tank Raise tank or install a two pipe oil supply from tank.
below level of oil pump
Non-return valve faulty Renew non-return valve. Rectify air leak
or air leak in two pipe
oil supply system.
Short circuit in wiring Inspect wiring, sheathing and inter-component
connections for broken or damaged leads. Replace
technical data).
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Page 65 of 67
14/04/2005