Hoshizaki KM-150BAF, Руководство по обслуживанию

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[ALPINE BOARD ONLY]
3) Check the Controller Board by using test program of the Alpine Controller Board
(next page).
(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” position.
[CONTROL PRODUCTS BOARD ONLY]
The Output Test Switch “S3” provides a relay sequence test. With power OFF, place S3
on and switch power to ICE. The correct lighting sequence should be none, 2, 3, 4, 1, and
4, normal sequence every 5 seconds. S3 should remain in the “OFF” position for normal
operation.