Hoshizaki DCM-500BWH-OS service manual Features, a LED Lights

2. Features

The control board provides the following safeguards:

•Provides component protection during low water supply.

•Purges remaining ice in the evaporator at startup and shutdown.

•Provides short cycle protection for the compressor.

a)LED Lights

The "POWER" LED indicates control voltage and will remain on unless a control voltage problem occurs. An LED illuminates for each relay as it is energized. For more information, see "II.C. Sequence of Operation."

Icemaking

Cycle (Relay)	LED	Energized	Time LEDs are	Frequency LEDs are
		Components	On	On
Fill	POWER only	WV	N/A	As Needed
Ice Purge (X1)	GM	GM	60 seconds	N/A
Freeze (X1, X2)	GM, COMP	GM, Comp,	N/A	N/A
		FMS
Drain Valve (X6)	FLUSH	DV	20 Minutes	Every 12 Hours
		Dispensing
Relay	LED	Energized	Time LEDs are	Frequency LEDs are
		Component	On	On
	Push Button
Ice Dispense (X4)	DM	IDM	60 seconds	N/A
	Opti Serv		maximum
	ICE
				Every 12 seconds of
Agitating Motor (X3)	AM	AM	.6 seconds	accumulative dispense
				time
Water Dispense (X5)	WTR	WTR	N/A	N/A
(Opti Serv Only)

Legend: AM–agitating motor, Comp–compressor; DV–drain valve; FMS–self‑contained fan motor; GM–gear motor; IDM–ice dispensing motor, shutter solenoid; WTR–dispensing water valve; WV–inlet water valve

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