39
Section C - Service Diagnostics
Variable 4. Freezer sensor circuit condition;
Flash “1” Freezer sensor OK
Flash “2” Freezer sensor open
Flash “3” Freezer sensor shorted
Variable 5. Disables buffer to allow technician to place his finger on the freezer
sensor and observe an immediate temperature rise.
Test 4 Fresh Food temperature, Last 24 hours
Variable 1. Display Minimum Temperature
Variable 2. Display Maximin Temperature
Variable 3. Display Average Temperature
On products with one position read out in the freezer and
food compartment, the first number of the temperature will be
constant for 1 second. The second number of the
temperature will flash twice in one second. It will alternate
back and forth to give you the test temperature.
Variable 4. Fresh Food sensor circuit condition will be displayed in Fresh Food
Window:
Flash “1” Fresh Food sensor OK
Flash “2” Fresh Food sensor open
Flash “3” Fresh Food sensor shorted
Variable 5. Disables buffer to allow technician to place his finger on the Fresh
Food sensor and observe an immediate rise in temperature.
Test 5 - Damper Motor is a 12 volt DC Stepper motor.
Variable 1. Damper to full open
Variable 2. Damper to mid position
Variable 3. Damper to full closed
The display will show the following symbols above to indicate the door position.
NOTE
The upper control limit is 4 degrees over set temperature.
NOTE
On products with two position read out in the freezer and food
compartment, a one or two digit temperature will appear in the
food display to give you the test temperature.
NOTE
The upper control limit is 2 degrees over set temperature.
FULL OPEN
MIDDLE
CLOSED
0
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Test Number Temperature
4
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