Hoshizaki MODULAR CUBELET SERENITY SERIES FS-1022MLH-C - Manual (Page 35)

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6) Make sure the "GM" LED is on. There is a delay of at least 30 seconds before the "GM"
LED turns on after power-up. After the "GM" LED turns on, press the "SERVICE" button
located on CB to bypass the 5-minute ice purge cycle.
WARNING! Risk of electric
shock. Care should be taken not to touch live terminals. The "COMP" LED turns
on.
7) Press the actuator paddle located in the top of the chute.
S1 dip switch 7 in the "ON" position: Comp and GM de-energizes within 10 seconds
and CB sounds a 9-beep alarm.
S1 dip switch 7 in the "OFF" position: Comp and
GM de-energize within 10 seconds. Diagnosis: If MBC does not open or the icemaker
continues to make ice, check that the actuator paddle is moving freely. Confirm that the
actuator paddle is engaged. Check for continuity across MBC wires. If MBC contacts
are found open and the icemaker continues to make ice, CB is bad and must be
replaced. If MBC is closed with the actuator paddle engaged, MBC is bad and must be
replaced.
8) Move the power switch to the "OFF" position, then unplug the unit from the electrical
outlet.
9) Replace the chute assembly and strap in their correct positions.
10) Replace the control box cover and top panel in their correct positions.
11) Plug the unit into the electrical outlet.
12) Move the power switch to the "ON" position to start the automatic icemaking process.
13) Replace the front panel in its correct position.
Legend: CB–control board; Comp–compressor; GM–gear motor; IS–infrared sensor;
MBC–mechanical backup bin control