TurboChef sota Service Manual page 91

YES
Does the oven have
room to ventilate?
Required clearances:
Top: 5" (127 mm)
Sides: 2" (51 mm)
YES
Are five of the seven
cooling fans rotating?
(The other two side
fans are enabled only
when the microwave
circuit is on.)
YES
Check for obstructions in
the airflow and remove
them and clean the filter.
Is the RTD open?
Using an Ohmmeter,
measure at the A7 and
A9 terminals on the
control board. RTD
should measure approxi-
mately 109 Ohms at
75 ºF (24ºC) . Use Figure
39, page 53 to deter-
mine resistance readings
at other temperatures.
Troubleshooting:
F6: EC TEMP (Electrical Compartment Temperature High)
Is the oven in an area of moderate
temperature (120ºF [49ºC] or cooler)?
Move oven to open area or remove
NO
items that are in close proximity.
Is the wire harness properly
connected? Check cooling
fan thermostat and cooling fans.
NO
(See page 79 for schematic.)
Replace defective
component.
Troubleshooting:
F7: THERMO (RTD Open)
Is the RTD properly connected to the
YES
control board? (See page 79 for
schematic.)
YES
Replace the RTD.
Replace the I/O Control
NO
Board (SAGE).
YES
NO
Relocate oven to
cooler area.
NO
Correct wiring.
Correct connection.
NO
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