Hoshizaki DCM-500BAH-OS, DCM-500BWH-OS service manual Dispensing

4. Dispensing

Problem	Possible Cause			Remedy
[1] No ice dispensed.	a) Power Supply	1.	"OFF" position.	1.	Move to "ON" position.
		2. Loose connection.		2. Tighten.
		3. Bad contacts.		3. Check for continuity and
					replace.
		4. Not within		4. Refer to nameplate and
			specifications.		correct.
	b) Ice Storage	1.	No ice or little ice in	1.	Make ice.
			storage bin.
		2. Ice bridge or ice block		2. Melt ice, resupply with
			formed.		new ice.
		3. Agitating motor		3. Check, replace.
			defective.
	c) Ice Dispense Switch	1.	Opti Serve sensor	1.	See "5. Opti Serve (OS)
			defective. (OS only)		Sensors."
		2. Bad contacts. (push		2. Check for continuity and
			button only)		replace.
	d) Shutter Assembly	1.	Broken part.	1.	Check and replace.
		2. Open windings on		2. Check continuity and
			solenoid.		replace.
	e) Dispense Gear Motor	1.	Thermal protector is	1.	Allow to cool.
			tripped.
		2. Gear motor winding		2. Replace.
			open.
		3. Bearing worn out.		3. Replace.
		4. Wiring to gear motor.		4. Check for loose
					connection or open
					circuit, and replace wiring
					as needed.
		5. Defective capacitor.		5. Replace.
	f) Auger Mechanism	1.	Bad alignment of	1.	Realign.
			auger.
	g) Control Board	1. Defective.		1. See "II.D.4. Control
					Board Check Procedure."
[2] Abnormal noise.	a) Gear Motor or Gear	1.	Bearing worn out.	1.	Replace.
	Head
	b) Auger Mechanism	1.	Bad alignment of	1.	Realign.
			auger.
		2. Foreign matter		2. Remove foreign matter.
			interrupting agitator.
	c) Dispense Water	1.	Vibration due to	1.	Apply thread sealant to
	Solenoid		loosening screws.		the parts and tighten.

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