Hoshizaki KM-1301SWH/3, KM-1301SAH/3, KM-1301SRH/3 service manual Low Ice Production

Problem	Possible Cause		Remedy
[3]Other.	a) Ice Cube Guide	1. Out of position.	1. Place in position.
	b) Thermostatic Bin	1. Bulb out of position.	1. Place in position.
	Control
		2. Bad contacts.	2. See "IV.C. Bin Control
			Check."

3. Low Ice Production

Problem	Possible Cause			Remedy
[1] Freeze cycle time is	a) Inlet Water Valve		1. Diaphragm does not	1. Check for water leaks with
long.			close.	icemaker off.
	b) Float Switch		1. Float switch does	1. Clean or replace. See "IV.
			not move freely or	D. Float Switch Check and
			defective switch.	Cleaning."
	c) Evaporator		1. Scaled up.	1. Clean.
			2. Damaged.	2. Replace.
	d) Spray Tubes		1. Dirty.	1. Clean.
			2. Out of position.	2. Place in position.
	e) Water Pump		1. RPM too slow.	1. See chart 1.[5].
	f)	Condenser (except	1. Air filter or condenser	1. Clean.
		water-cooled model)	clogged.
	g) Refrigerant Charge		1. Low charge.	1. Check for leaks. Recover,
				repair, evacuate, and
				recharge.
	h) Hot Gas Valve		1. Open.	1. Check and replace.
	i)	Expansion Valve	1. Bulb loose.	1. Secure bulb.
			2. Operating erratically.	2. Check and replace.
	j)	Compressor	1. Erratic or off.	1. See chart 1.[3].
	k) Condenser Water		1. Water regulating valve	1. Adjust or replace. See
		(water-cooled model)	set too high.	"V.J. Adjustment of Water
				Regulating Valve."
			2. Condenser water	2. Check and get
			pressure too low.	recommended pressure.
			3. Water temperature out	3. Correct to specification.
			of specification.
	l)	Liquid Line Valve	1. Erratic, sticking.	1. Check and replace.
	m)Headmaster (C.P.R.)		1. Bypassing.	1. Replace.
		(remote condenser
		unit)
	n) Control Board		1. Float switch	1. Check and reconnect.
			connection loose (K5).
			2. Defective.	2. See "IV.B. Control Board
				Check."

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