Belling Gas Range - Oven with FSD wont maintain temperature

Oven with FSD won’t maintain temperature
NO
YES
No
YES
YES
NO
Oven will not regulate
temperature
When the oven is lit
does the flame increase
to full rate
Send engineer
with FSD or Burner
assy
Ask customer to check for visual
signs o f damage to oven door
seal – Is it damaged?
Send door seal
and engineer
Possible thermostat fault send
part and engineer
Does the customer have
the inner door glass
fitted?
Have customer
re-fit inner
door glass