9
. PROBLEM SOLVING
CAUSE AND REMEDY FOR DEFECTIVE OVEN COOKING
1.
Too much bottom heat, which results in burning on the bottom of baked
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 blockage and
clear
(c)
Cause:
Remedy
Thermostat calibration set too low.
Re-calibrate
2.
Too much top heat, which results in Dark top of baked products and
light bottom, possibly not baked 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.
(c)
Cause:
Remedy
Thermostat calibration too high.
Re-calibrate
3.
Uneven baking characteristics from side to side.
(b)
Cause:
Remedy
Oven burner out of alignment
Level burner
(c)
Cause:
Remedy
Appliance not level side to side.
Level appliance with spirit
level.
(d)
Cause:
Remedy
Burner baffle (if fitted) tilted causing
Replace baffle.
Products of combustion to be
directed to one side.
IM037B1/p12
