
8
OVEN
BURNER
WILL
NOT
THROTTLE
DOWN
OR
GETS
TOO
HOT
1.
Broken capillary tube on thermostat.
2.
Oven thermostat out of calibration.
3.
Minimum bypass flame too high (lower to 1/8”)
4.
Dirt under thermostat valve seat.
5.
Thermostat defective.
TOO
MUCH
BOTTOM
HEAT
1.
Underdrafting or overdrafting (pulling heat out of the
oven).
2.
Temperature too low.
3.
Improper calibration or gas pressure.
NOT
ENOUGH
TOP
HEAT
1.
Overdrafting (pulling heat out of the oven).
2.
Oven temperature too low.
OVEN
WILL
NOT
KEEP
UP
AT
BUSY
TIMES
OR
THERE
IS
UNEVEN
COOKING
1.
Gas pressure too low.
2.
Insufficient gas volume due to too small gas supply lines.
3.
Additional gas regulators installed.
4.
Poor draft conditions.
5.
Too much draft pulling heat out of the ovens.
6.
Air from fans or register blowing at front of oven.
SOOTING
IN
BAKING
OR
BURNER
CHAMBER
1.
Air shutter space is too small. There must be a 1/8” –
3/16” space.
2.
Air shutter is clogged with flour dust. Clean the air
shutter opening with a knife or brush.
©2016
Marsal
Pizza
Ovens.
175
E.
Hoffman
Ave.
Lindenhurst,
NY
11757
(631)
226
‐
6688
www.marsalsons.com