Hoshizaki KML-200MAE Service Manual page 19

The unit should start the freeze cycle after 1 minute ± 5 seconds from the resistor
connection.
3) Check the Controller Board by using test program of the Controller Board.
(i) Disconnect the Connector K1 from the Controller Board. Set the Dip Switch No. 7
and 8 on the Controller Board to the "ON" position, and energize the unit.
(ii) The current flows to each Relay (from X1 to X4) one after another every time the
float is raised and the contacts close. See the following chart, and check "OPEN"
and "CLOSE" of Pins of the Connector K1 at each step.
(iii) If the checks are completed, turn off the icemaker, plug the Connector K1 into the
Controller Board as before, and set the Dip Switch No. 7 and 8 to the "OFF" posi-
tion.
TEST PROGRAM OF CONTROLLER BOARD
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