Electric Oven Service Manual

42 TROUBLESHOOTING
Troubleshooting:
Food Not Cooking Properly
Does the problem occur for all
programmed recipes? For
example, are all recipes under-
cooked/overcooked/etc.?
Is the food item in the
correct starting state
(e.g., frozen, fresh, etc.)?
Is the correct
amount of food
(portion) being
cooked?
Ensure the
food item is
being proper-
ly stored/pre-
pared before
cooking.
Ensure that the correct
amount is being
cooked - not more or
less than the recipe
specifies.
Is the food item being prepared correct-
ly and consistently? For example, con-
firm meat is sliced at correct thickness,
pizza dough is correct consistency, etc.
Ensure that the
food item is
properly prepared.
Are there any fault
codes present?
Troubleshoot the
fault(s) using the
steps on pages
31-40.
Are there any fault
codes present
(page 29-30)?
Replace the I/O
control board
(page A-8).
Troubleshoot the
fault(s) using the steps
on pages 31-40.
Does the problem
occur EVERY time the
food item is cooked?
YES
NO
YES
NO
YES
YES
Has the oven been cleaned
or moved prior to the
problem starting?
Was the oven
cleaned?
YES
NO
YES
Ensure the gas is
connected correctly
and adjust the gas
pressures if needed
(page 3).
Does the problem
remain?
Ensure nozzles and
plenums are correctly
installed.
Does the problem
remain?
YES
Operate the
oven normally.
NO
NO
NO
YES
NO
YES
NO
YES
YES
NO
NO
NO
Are the plenums and
nozzle plates correctly
installed (pages 7-8,
steps 9-13)?
Correctly reinstall
plenums and nozzle
plates (page 7-8).
YES
Are the conveyor motors, CMSCs,
blowers, BMSCs, burner, and com-
bustion blower working correctly
(pages 23-28)? Is the wire harness
properly connected (page 45)?
Replace/correct the
operation of the
conveyor motors
and/or CMSCs,
blower and/or
BMSCs, burner
and/or combustion
blower, and/or
wiring harness (page
23-28, 45).
NO
NO
YES