6-4
18ºF (–8ºC) or higher
temperature reading is
blinking on the freezer
display.
Over-temperature condition due
to power failure.
Verify proper main plug connection.
Press the freezer temperature keypad to reset.
Code “CF” blinking on the
freezer display.
Communication failure between
main board and user interface.
Verify the proper connections & circuits for RX
and TX.
Replace the user interface and if the problem
persists, replace the main board.
FAILURE
POSSIBLE CAUSE
TEST PROCEDURE—ACTION
Содержание JOB AID GC1SHAXM
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