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D. Timer Board
1. Solid-State Timer Board Control
• A HOSHIZAKI exclusive solid-state sequence timer board is employed in Hoshizaki self-
contained aker icemakers.
• All models are pre-tested and factory-adjusted.
CAUTION
1. Fragile, handle very carefully.
2. The timer board contains CMOS (Complementary Metal-Oxide
Semiconductor) integrated circuits, which are susceptible to failure due to
static discharge. It is especially important to use an anti-static wrist strap
when 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. Especially, never misconnect
terminals.
5. Do not x the electronic devices or parts on the board in the eld. Always
replace the whole board assembly if it goes bad.
The timer board provides the following safeguards:
• Provides component protection during low water supply.
• Purges remaining ice in the evaporator.
• Provides short cycle protection for the compressor.