39 | Page
MAINTENANCE
Note: Does the car actually have gas in the tank? Have you physically verified the computer is
plugged in? Yes, we are going ask some very basic questions. Please bear with us.
Methodical verifications and the elimination of assumptions are often the quickest means of
getting a unit back into operation.
Before Starting
1. The unit must be connected to a power source that meets the requirements in the Installation chapter
(page 15) and turned on.
2. At least one reference temperature device sensor probe must be placed in the chamber.
• Place the probe as close to the geometric center of the chamber as possible.
3. The oven chamber door must be closed and latched. The exhaust vent must be closed.
4. The unit must have adequate time to come up to temperature and stabilize at a constant temperature
set point. Failure to wait will result in an inaccurate diagnosis.
• Please see the Time to Temperature specification block on page 44 for the time required for the oven
to reach your set point temperature.
• Start the “Diagnostic Data Procedure” when the allotted time has passed even if the unit fails to
achieve the set point temperature.
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