16
Fault Finding
This section provides an easy reference guide to the more common problems that may occur during
operation of your equipment. 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:-
Model Code and Serial Number of appliance. (both can be found on Rating Plate located on
appliance.
Fault
Possible Cause
Remedy
Main Burner goes out when gas
control knob released.
Releasing knob before thermocouple has
heated.
Main Burner flame too small:-
- Gas pressure too low.
- Partially blocked main injector.
Thermocouple faulty.
Hold knob in for at least 20 seconds
following ignition of main burner.
Call service provider.
Call service provider.
Main burners will not light.
No gas supply.
Incorrect supply pressure.
Blocked main injector.
Faulty gas control.
Ensure gas isolation valve is turned On,
and gas bottles are not empty.
Call service provider.
Call service provider.
Call service provider.
Burner goes out.
Check main burner flame is touching
thermocouple.
Interruption in gas supply to burner.
Main injector size too small.
(See Specifications section).
Call service provider.
Call service provider.
Call service provider.
Lack of glowing.
Large haze beneath burner.
Check gas pressure at pressure test point.
Call service provider.
Burner blow-back.
Gas leak in burner plaque.
(See Servicing Section).
New burner plaque required.
Call service provider.
Summary of Contents for G91
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