11. The capability of this terminal to read the
thermistor probe can be checked by the
following method:
a. Remove the thermistor probe wire from the
"MIX 1" terminal.
b. Connect the "MIX 1" terminal directly to
ground (simulating a warm probe). The MIX
light will illuminate.
c. Remove the terminal connection from
ground (simulating a cold probe). The
PUMP light will illuminate.
If the lights do not react, the panel is defective.
12. Press the MIX keypad once.
13. The MIX OUT light is lit, indicating that the control
is now reading the BARREL (freezing cylinder)
probe terminal.
14. Check the freezing cylinder probe (as in
Step 13) by removing the wire from the panel.
15. Press the MIX keypad again, and the self-test
program is terminated.
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