Hoshizaki KM-320MAH, KM-320MWH service manual Problem Possible Cause Remedy

Problem	Possible Cause		Remedy
	c) Overload Protector	1. Bad contacts.	1. Check for continuity and
			replace.
		2. Voltage too low.	2. Increase voltage.
		3. Refrigerant	3. Recharge.
		overcharged or
		undercharged.
		4. Line valve continues	4. Check line valve’s
		to close in freeze cycle	operation in freeze cycle
		and overload protector	and replace.
		operates.
	d)Starter	1. Bad contacts.	1. Check and replace.
		2. Coil winding opened.	2. Replace.
	e)Start Capacitor or Run	1. Defective.	1. Replace.
	Capacitor
	f) Magnetic Contactor	1. Bad contacts.	1. Check for continuity and
			replace.
		2. Coil winding opened.	2. Replace.
	g)Compressor	1. Wiring to compressor.	1. Check for loose
			connection or open, and
			replace.
		2. Defective.	2. Replace.
		3. Protector tripped.	3. Reduce temperature.
	h)Controller Board	1. Defective.	1. See "II.B.5. Checking the
			Controller Board."
	i) Water Regulator	1. Set too high.	1. Adjust lower.
[4] Water continues to	a)Water Solenoid Valve	1. Diaphragm does not	1. Check for water leaks with
be supplied in freeze		close.	icemaker off.
cycle.
	b)Controller Board	1. Defective.	1. See "II.B.5. Checking the
			Controller Board."
[5] No water comes from	a)Water Supply Line	1. Water pressure too	1. Check and get
spray tubes. Water		low and water level in	recommended pressure.
pump will not start, or		water tank too low.
freeze cycle time is
	b)Water Solenoid Valve	1. Dirty mesh filter or	1. Clean.
too short.
		orifice and water level
		in water tank too low.
	c) Water System	1. Water leaks.	1. Check connections for
			water leaks, and replace.
		2. Clogged.	2. Clean.
		3. Pump out check valve	3. Check assembly and
		leaking by.	clean.

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