IMO83B1 – April 2011
13
9. PROBLEM SOLVING
CAUSE AND REMEDY FOR DEFECTIVE OVEN COOKING
1. Too much bottom heat, which results in burning on the bottom of
products also scorching on the sides. Products will be too light on
top, uneven in colour on the top and probably raw in the centre.
(a) Cause: Remedy
Insufficient (BTU) MJ input. Check for line or fit
blockage and clear
2. Too much top heat, which results in Dark top of products and light
bottom, possibly not cooked in centre.
(a) Cause: Remedy
Excessive (BTU) MJ input. Check burner injector
orifice for correct size also
check governor pressure.
(b) Cause: Remedy
Under active flue or flue restriction. Check for obstruction in
flue way.
3. Uneven cooking characteristics from side to side.
(a) Cause: Remedy
If single burner construction, oven Locate burner on level
flame.
burner out of alignment.
(b) Cause: Remedy
Appliance not level side to side. Level appliance with spirit
level.
(c) Cause: Remedy
Burner baffle (if fitted) tilted causing Replace baffle.
Products of combustion to be
directed to one side.
4. Baking characteristics from front to back.
(a) Cause: Remedy
Over-active flue Check that baffles, if fitted
are in place.
(b) Cause: Remedy
Unit not level, front to back Using spirit from front to
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