Hoshizaki KM-260BAH, KM-201BAH, KM-260BWH, KM-201BWH service manual No Ice Production

2. NO ICE PRODUCTION

PROBLEM	POSSIBLE CAUSE				REMEDY
[1] The icemaker	a) Power Supply	1.	OFF position.	1.	Move to ON position.
will not start.		2.	Loose connections.	2.	Tighten.
		3.	Bad contacts.	3.	Check for continuity and
					replace.
		4.	Voltage too high.	4.	Check and get
					recommended voltage.
		5.	Unplugged.	5.	Plug in.
	b) Fuse (inside fused	1.	Blown out.	1.	Check for short circuit and
	disconnect, if any)				replace.
	c) Control Switch	1.	OFF or SERVICE	1.	Move to ICE position.
			position.
		2.	Bad contacts.	2.	Check for continuity and
					replace.
	d) Bin Control Switch	1.	Tripped with bin filled	1.	Remove ice.
			with ice.
		2.	Defective reed switch.	2.	Check for continuity and
					replace.
	e) High Pressure	1.	Bad contacts.	1.	Check for continuity and
	Control				replace.
	f) Transformer	1.	Thermal fuse blown out	1.	Replace.
			or coil winding opened.
	g) Wiring to Control	1.	Loose connections or	1.	Check for continuity and
	Board		open.		replace.
	h) Thermistor	1.	Leads shorted or open	1.	See “II. 4.
			and high temperature		THERMISTOR”.
			safety operates. If open,
			unit will start but have
			long harvest cycle.
	i) Hot Gas Solenoid	1.	Continues to open in	1.	Check for power off in
	Valve		freeze cycle and high		freeze cycle and replace.
			temperature safety
			operates.
	j) Water Supply Line	1.	Water supply off and	1.	Check and get
			water supply cycle does		recommended pressure.
			not finish.		Check for water supply.
		2. Condenser water		2. Check and get
			pressure too low or off		recommended pressure.
			and high pressure
			control opens and
			closes frequently
			(water-cooled model).
	k) Inlet Water Valve	1.	Mesh filter or orifice	1.	Clean. Replace if
			gets clogged and water		necessary.
			supply cycle does not
			finish.
		2.	Coil winding opened.	2.	Replace.
		3.	Wiring to water valve.	3.	Check for loose
					connection or open, and
					replace.

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