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8.3.3
Service Test Mode
There are several test modes available through the diagnostic system. Use of these test modes
can greatly decrease the time needed for troubleshooting. It is to the technician's advantage to be
able to perform many tests in a very short period of time.
Entering Service Test Mode.
The service test functions are performed using the refrigerator display and keypad. Enter the
Service Test Mode by performing the following sequence of events:
• Hold the refrigerator door light switch closed.
• Press the Refrigerator Temperature Up keypad
NOTE The 3 keystrokes must be consecutive and within 10 seconds.
• Release the refrigerator door light switch.
• The control will display SE allowing the technician to confirm entry into the service mode.
• Entry to the Service Menu is confirmed by pressing the Refrigerator Temperature Up keypad
once more.
• The control will display its software version for 3 seconds (i.e. Revision 25 shown here).
• Following the software revision display, the freezer display will read the first test number in the
diagnostic tree. The refrigerator display will be blank.
• All control functions will be turned off (compressor, defrost, evaporator fan, and the damper will
remain in its current position).
The refrigerator is now in the Service Test mode and the diagnostic tests may be carried out.
The Service Test mode can be exited at any time by closing the refrigerator door(s).
8.3.4
Service Test Mode – Navigation
Within the Service Test mode, the control keys have alternate functions. The Freezer Temperature
Up/Down keypads
and begin performing the selected test, or toggle between functional states as described in each test
listed.
/
will move to the next or the previous service test, confirm a test selection
3 times consecutively.
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