Hoshizaki KM-260BAH - Manual (Page 17)

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3. CONTROL BOARD
* A HOSHIZAKI exclusive solid-state control is employed in crescent cubers.
* All models are pretested and factory-adjusted.
CAUTION
1. Fragile, handle very carefully.
2. A control board contains integrated circuits, which are susceptible to
failure due to static discharge. It is especially important to touch the
metal part of the unit before handling or replacing the board.
3. Do not touch the electronic devices on the board or the back of the
board to prevent damage to the board.
4. Do not change wiring and connections.
5. Always replace the whole board assembly if it goes bad.
6. Do not short out the power supply to test for voltage.