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D. Control Board and Operation Board
• A Hoshizaki exclusive solid-state control board and operation board are employed in all
Hoshizaki dishwasher units.
• All models are pretested and factory set.
CAUTION
1. The control board and operation board are fragile; handle very carefully.
2. The control board and operation board contain integrated circuits, which
are susceptible to failure due to static discharge. It is especially important to
touch the metal part of the unit when handling or replacing the control board
or operation board.
3. Do not touch the electronic devices on the control board or operation board
or the back of the control board or operation board.
4. Do not attempt to repair the control board or operation board.
5. Do not short out power supply to test for voltage.
1. Control Board Location
The control box is located behind the front panel.
Follow the instructions and warnings for safe and
effi cient operation of the unit.
* The illustration shows relay
X13 provided only for Auxiliary
Code A-1 and later.