Hoshizaki 73168 service manual Control Board Location

D. Control Board

•A Hoshizaki exclusive solid-state control board is employed in all Hoshizaki

HPR46A(‑D), HPR72A(-D), and HPR100A(-D) units.

•All models are pretested and factory set.

CAUTION

1.The control board is fragile; handle very carefully.

2.The 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 when handling or replacing the control board.

3.Do not touch the electronic devices on the control board or the back of the control board.

4.Do not attempt to repair the control board.

5.Do not short out power supply to test for voltage.

6.Keep the thermistor leads and pressure switch leads at least 1.5" (38 mm) away from high voltage leads (100Vac or more) to protect against electrical noise.

1. Control Board Location

The control panel is located behind the front panel. Follow the instructions and warnings for safe and efficient operation of the unit.

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