Worcester GREENSTAR CAMRAY EXTERNAL Instruction Manual page 53

Start
Burner not operating normally.
Find symptom list below.
Are the combustion
Intermittent Is the oil system a gravity
settings correct for the Yes
lockout
boiler & burner output?
No
Rectify the combustion Check for air in the oil:
settings. rectify the oil line fault.
Are the combustion
Pulsation on Is the flue system
settings correct for the
Yes
start up
boiler & burner output?
No
Change the flue system
Rectify the combustion
to meet the literature
settings.
specifications.
High smoke Is the fuel correct? Is the flue system
Yes
number (kerosene only)
No
The oil system must be drained Rectify the flue system
& refilled with kerosene, then to match one of the
recheck the combustion. available flue options.
Is the fan touching the
Noisy burner Is the noise due to
No fan housing or causing
operation combustion?
Yes
Move the fan away from
Check all combustion
the housing. Replace if
settings.
distorted or unbalanced.
Is there an oil leak? Check
Oil/
Is the flue blocked or
all oil pipes & connections No
combustion
for traces of oil
smells
Yes
Rectify oil leak, replace
blockage/restriction.
components if necessary.
Check flue seals.
FAULT FINDING
& DIAGRAMS
These fault finding charts are provided to assist competent and suitably qualified engineers to
locate and rectify faults. Whilst every effort has been taken to ensure the information given is
correct and complete we cannot guarantee that every eventuality has been covered.
Worcester, Bosch Group cannot be held responsible for costs incurred by persons not deemed
to be competent.
Is the flue system
Yes Yes
system? correct?
No No
Change the flue system
to meet the literature
specifications.
Replace the nozzle and
Yes
correct? recheck combustion.
No
Has the burner been
Yes Yes
correct? serviced?
No No
Service the burner and
the boiler.
Is the noise from the
No No
motor?
vibration?
Yes Yes
Worn motor bearings:
replace the motor.
Are the boiler combustion
No chamber door, baffle & flue No
restricted?
access door seals leaking?
Yes Yes
Remove
Replace seals.
Are the electrical Check the photocell using the
connections on the Yes information under the control
burner all sound? box chart.
No
Check all connections on
the burner and rectify
any faults.
Are the combustion Are all the combustion
settings correct for the Yes head settings and
boiler & burner output? components correct?
No No
Rectify the combustion Change incorrect
settings. parts/rectify settings.
Bleed the pump. Does Worn oil pump: replace
No
the noise reduce? the oil pump
Yes
Air in the oil line:
investigate where the air
is getting into the oil line.
Are the burner seals Check flue seals. Check
No
leaking? Check all seals. flue for damage.
Yes
Replace any seals that
are damaged or suspect.
BOILER LOCKOUT:
Indicated by the illumination of
the lockout indicator on the
burner.
To reset, wait 2 minutes then
press the lockout
indicator/reset button.
UNDER NO
CIRCUMSTANCES MUST
AN APPLIANCE BE LEFT
OPERATING WITH ANY
CONTROL LINKED OUT OR
OVER RIDDEN.
Is the flue blocked or Replace the nozzle and
Yes Yes
restricted? recheck combustion.
No
Remove
blockage/restriction.
Check flue seals.