Hoshizaki DCM-750BAH-OS, DCM-750BWH-OS service manual Other

3. Other

Problem	Possible Cause		Remedy
[1] Icemaker will not stop	a)Bin Control	1. Actuator sticking.	1. Adjust or replace.
when bin is filled with
		2. Proximity switch	2. Replace.
ice.
		closed.
[2] Abnormal noise.	a)Fan Motor (except	1. Bearing worn out.	1. Replace.
	water-cooled model)
		2. Fan blade deformed.	2. Replace fan blade.
		3. Fan blade does not	3. Replace.
		move freely.
	b)Compressor	1. Bearings worn out, or	1. Replace.
		cylinder valve broken.
		2. Mounting pad out of	2. Reinstall.
		position.
	c) Refrigerant Lines	1. Rub or touch other	1. Reposition.
		lines or surfaces.
	d)Auger	1. Bearings or auger	1. Replace bearings or
		worn out.	auger. See "V.F. Removal
			and Replacement of
			Evaporator Assembly
			Components."
	e)Gear Motor	1. Bearing or gear worn	1. Replace.
		out / damaged.
	f) Evaporator	1. Scale on inside wall	1. Use "SCALE AWAY" or
		of evaporator freezing	"LIME-A-WAY" solution to
		cylinder.	clean periodically.
			See "VI. A. Cleaning and
			Sanitizing Instructions." If
			the water is found hard by
			testing, install a softener.
		2. Evaporator defective.	2. Replace.
	g)Extruding Head Heater	1. Heater Control Relay	1. Replace.
		defective.
		2. Heater defective.	2. Replace.
[3] Overflow from	a)Water Supply	1. Water pressure too	1. Install a pressure reducing
reservoir (water does		high.	valve.
not stop).	b)Inlet Water Valve	1. Diaphragm does not	1. Clean or replace.
		close.
	c) Float Switch	1. Bad contacts.	1. Check for continuity and
			replace.
	d)Water Control Relay	1. Bad contacts.	1. Replace

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