FLAME FAILURE FUNCTIONAL CHECK 3

PILOT WILL NOT STAY LIT OR FIRE GOES OUT IN USE

Ensure there is no debris around the pilot assembly, (e.g. coal, soot

etc.) which could short the spark, clear the area.

Light the pilot and keep the control knob pushed in at least 10

seconds before letting go.

IGNITION FUNCTIONAL CHECK 2

NO SPARK

Ensure there is no debris around the pilot assembly, (e.g. coal, soot

etc.) which could short the spark, clear the area.

From Ignition Fault Finding

 

Consult the Users Instructions,

Chart Part 1.

 

retry.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

 

 

NO

 

 

 

 

YES

With the fire

 

 

 

 

With the pilot

Will the pilot stay

 

 

 

 

 

 

 

 

lit?

 

 

 

 

running on full, is

 

 

 

 

running, is the gas

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the gas at the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

pressure stated on

NO

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Problem is with the

pressure stated on

 

 

 

 

the databadge?

 

 

 

pipework or fittings

 

 

 

 

the databadge?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

which lead to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

fire. Correct and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

retry.

 

 

 

 

Run for no more

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

than 60 seconds,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

turn off, time

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the pilot flame of

 

 

 

Is thermocouple

NO

interval until mag

 

 

 

 

the correct length?

 

 

 

 

 

 

 

 

 

 

connection good in

 

 

 

 

unit shuts with a

 

 

 

 

See diagram 1 on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

back of valve?

 

 

 

 

click. Is this greater

 

 

 

 

page

19.

 

 

 

 

 

 

 

 

 

 

 

than 7 seconds?

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace the

 

 

 

 

Tighten the

 

 

 

 

NO

 

 

 

 

 

 

 

 

connection and

 

 

 

 

 

 

 

 

thermocouple.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

retry.

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Run for 60 seconds,

 

 

 

 

Change the pilot

 

 

 

Will pilot stay alight?

 

 

 

 

turn off, time

 

 

 

 

unit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interval until mag

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit shuts with a

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

click. Is this greater

 

 

 

 

 

 

 

 

 

Change mag unit.

 

 

 

 

than 7 seconds?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYSTEM OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operate the valve to light the pilot, does the valve ‘click’?

 

 

 

YES

 

 

 

 

 

 

Is the pilot burner horizontal?

 

 

See diagram 1 on page 20.

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

Has ignition lead become

 

 

detached or is connection

 

 

poor?

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

Remove the electrode lead

YES

from electrode with insulated

 

 

pliers. Hold the tip 4mm from

 

 

 

 

the pilot pipework, is there a

 

 

spark when the valve ‘clicks’?

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

Is the electrode wire detached

 

 

from the piezo in the valve?

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

Replace the combined lead,

 

 

retry.

 

 

 

 

 

 

 

 

 

 

Replace the pilot unit.

 

 

 

 

 

 

NO

NO

YES

YES

Is the valve being operated

YES

properly?

 

Reset the electrode gap, retry.

 

Correct and retry.

 

Check the defective or

 

damaged control knob spindle

 

or cam operation. Check for

 

correct location of piezo

 

components. Correct and

 

retry.

 

Remove the electrode lead from the piezo. Operate the valve. Does a spark jump from the piezo to the valve body?

YES

Replace the electrode lead

and retry.

Page 21
Image 21
Stovax Stockton Log Effect Stove Range Flame Failure Functional Check, Pilot will not Stay LIT or Fire Goes OUT in USE

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