Blue Seal Evolution G505, Operation Manual

Fault Finding

20 

This section provides an easy reference guide to the more common problems that may occur during the 

operation of your appliance.  The fault finding guide in this section is intended to help you correct, or at 

least accurately diagnose problems with your equipment. 
 

Although this section covers the most common problems reported, you may encounter a problem not 

covered in this section.  In such instances, please contact your local authorised service agent who will 

make every effort to help you identify and resolve the problem.  Please note that the service agent will 

require the following information:- 

• 

 The Model Trade Name and the Serial Number of the Appliance.  (both can be found on 
the Technical Data Plate located on the appliance. 

Fault 

Possible Cause 

Remedy 

Pilot will not light. 

No gas supply. 

Blocked pilot injector. 

Ensure gas isolation valve is turned 

on, and that bottles are not empty. 
 

Call the service provider. 

Pilot goes out when gas control 

knob released. 

Releasing knob before the  

thermocouple has heated. 
 

Pilot flame too small. 

  - Gas pressure too low. 

  - Partially blocked pilot injector. 

 
Thermocouple connection to the 

gas control is loose or faulty. 

Thermocouple faulty. 

 
Electromagnet in the rear of the 

gas control unit is faulty. 

Hold knob in for at least 20  

seconds following ignition of the  
pilot. 

Clean or replace the pilot injector. 

 
Tighten the thermocouple  

connection. 

Check that the thermo couple is 

producing between 20-30mV. 

 
Inspect and replace if not in good 

working order. 

Call the service provider. 

Main burner will not light. 

Incorrect supply pressure. 

 
Faulty gas control. 

Call the service provider. 

 
Call the service provider. 

Piezo Ignition spark is being 

generated but not sparking 
from the ignition electrode to 

the pilot burner hood.  (Griddle 

and Oven options only) 

HT lead damaged or broken. 

 
Check that the ignition electrode 

is not cracked and is correctly 

positioned. 

Piezo igniter faulty. 

Repair or replace the HT lead. 

 
Re-position or replace the ignition 

electrode. 

Replace the piezo igniter. 

 
Call the service provider. 

NOTE:  Components having adjustments protected (e.g. paint sealed) by the manufacturer, are only 

to be adjusted by an authorised service agent.  They are not to be adjusted by an  
unauthorised service person.