Stovax PR0741 manual Fault Finding Charts

Page 27

SERVICING INSTRUCTIONS

FAULT FINDING CHARTS

FLAME FAILURE FUNCTIONAL CHECK

PILOT WILL NOT STAY LIT OR FIRE GOES OUT

If the fire goes out in use continually, this may mean that the

oxygen depletion sensor has been activated. The fire should not be used

until the cause has been found and rectified.

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

Check for fluff in the pilot aeration hole. See diagram 10.

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

10 seconds before letting go

With the pilot running is the gas pressure as stated on the data badge?

YES

Is the pilot

flame of the

correct length? See diagram 7.

NO

 

NO

 

 

YES

 

 

Will the pilot

 

 

 

 

 

 

 

 

 

 

 

stay lit?

 

 

 

 

NO

 

 

NO

 

 

 

 

 

 

 

 

Problem is with

 

 

 

 

 

 

the pipe work or

 

 

 

 

 

 

fittings which lead

 

 

 

 

 

 

to the fire. Correct

 

 

 

 

 

 

and retry

 

 

 

 

 

 

 

 

 

 

 

 

Is thermocouple

 

NO

 

 

connection good

 

 

 

 

 

 

 

 

 

 

in back of valve

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace

 

 

 

 

 

 

ODS unit

 

 

 

 

 

 

 

 

 

 

 

 

With the fire

running on full is

the gas at the pressure stated on the data badge

Run for 60 secs.,

turn off, time

interval until mag unit shuts with a click. Is this greater than 7 seconds?

NO

Tighten the

connection and

retry

YES

Change the

ODS unit

Will the pilot

 

 

YES

Run for 60 secs.,

 

 

 

 

 

 

stay lit?

 

 

 

 

 

turn off, time

 

 

 

NO

 

 

 

interval until mag

 

 

 

NO

unit shuts with a

 

 

 

 

 

 

Change

 

 

click. Is this greater

 

 

 

 

 

 

 

mag unit

 

 

 

 

 

than 7 seconds?

 

 

 

 

 

 

 

 

 

YES

SYSTEM O.K

27

Image 27
Contents Studio& Logic E-box Contents GAS CHECK APPLIANCE COMMISSIONING CHECKLISTFLUE CHECK Pass FailTurning the Fire OFF User InstructionsGeneral Lighting the FireCleaning the E-studio Cleaning the logic-e boxStudio Arrangement of Fuel BED Components AR1769 ADVICE ON HANDLING AND DISPOSAL OF FIRE CERAMICS Logic E-BOXArrangEMENT of fuel bed Components Large Medium Small Pebble Layout Running Installation detailsOxygen depletion sensor Flame failure deviceP8691CFCHUC Installation InstructionsTechnical Specification Studiomodels 8691CFCHUCHolyrood Spanish Finish Arts FrameOverall External Dimensions Plan View Site Requirements Flue and Chimney RequirementsFire Location GAS Supply VentilationAIR Vents Must not be Restricted Installation of the GAS Supply InstallationControl Upgrade Safety PrecautionsCable Retention Method Installation of the FireScrew Fixing Method Fitting the Decorative Inner panelAR1931 Logic E-BOX arrangEMENT of fuel bed components AR1364 Pebble Layout Installation / Commissioning Lighting the fireCommissioning Servicing Instructions ServicingServicing Requirements Studio & Logic E-BOX Servicing Instructions Fault Finding Charts Fault Finding Charts Piezo Replacing PartsGeneral Ignition LeadPilot injector Ignition electrode Thermocouple Ods pilot unitGas valve Mag unitMain injector Spare parts list-E-STUDIO Spare parts list Logic E-BOXChanging between gas types Service Records