Isolate Mains Power to appliance as per TOPs P4
Observation:
Remove and inspect burner injector for blockage or damage.
Replace the main burner injector after this test. When the injector is replaced the fitting should be checked for gas leaks.
Replace the main burner injector after this test. When the injector is replaced the fitting should be checked for gas leaks.
Isolate as per TOPs P4
and refit as necessary