Boulter Camray 5 User's Guide download pdf (Page 36)

Trouble or Complaint

Possible Cause

Action

3. Burner lights up but locks out

after 15 sec

No oil supply Check oil in the tank.

Photo-electric cell not receiving light from flame Check that photo-

electric cell is clean

and fully home in

housing.

Photo-electric cell connections loose Check and tighten if

necessary.

Control Box photo-electric cell circuit faulty Replace control box.

Flame instability Check combustion

setting out and reset if

necessary.

4. Burner starts but will not light

This can be due either to absence of oil or ignition.

Oil pump air locked (repeat air locking may be due

to poor pipe joints or defective gland packings)

Pump should be self-

venting with two pipe

system only. If a one

pipe gravity feed is

employed it must be

purged through the

vent port.

Motor not driving pump shaft Check that flexible

drive is functioning

correctly and not

slipping.

Blocked atomiser nozzle Remove and replace

nozzle.

Oil pressure abnormally low Check oil pressure on

gauge and set to the

correct pressure (see

Technical Data).

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 miss-set Inspect and reset gap

3 to 4mm between

tips. 2mm in front of

nozzle face.

Cracked electrode insulator Check and replace if

cracked or crazed.

Electrode leads Check for proper

connections.

5. Burner lights up, runs

continuously and emits

visible smoke or shows

excess smoke on combustion

check

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 error Check size and

replace with correct

e 36 of 40Camra

5 External Boilers

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Boulter Camray 5 User's Guide Page 36

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