Hoshizaki KM-2400SRH3, KM-2400SRF3 service manual Problem, Possible Cause, Remedy

PROBLEM	POSSIBLE CAUSE						REMEDY
[5] No water	a) Water Supply Line			1. Water pressure too low and		1. Check and get
comes from					water level in Water Tank		recommended pressure.
Spray Tubes.					too low.
Water Pump	b) Water Solenoid	1.			Dirty mesh filter or orifice	1. Clean.
will not start, or	Valve				and water level in Water
freeze cycle					Tank too low.
time is too	c) Water System			1. Water leaks.		1. Check connections for
short.							water leaks, and replace.
				2. Clogged.		2. Clean.
				3. Pump Out Check Valve		3. Check assembly and
					leaking by.		clean.
	d) Pump Motor			1. Motor winding opened.		1. Replace.
		2.			Bearing worn out.	2. Replace.
		3.			Wiring to Pump Motor.	3.	Check for loose
							connection or open, and
							replace.
		4.			Defective Capacitor.	4.	Replace.
				5.	Defective or bound impeller.	5.	Replace and clean.
		6.			Mechanical Seal worn out.	6.	Check and replace.
	e) Controller Board	1.			Defective.	1.	See “II.2. [e] CHECKING
							CONTROLLER BOARD.”
[6] Fan Motor will	a) Fan Motor			1. Motor winding opened.		1. Replace.
not start, or is		2.			Bearing worn out.	2.	Replace.
not operating.		3.			Wiring to Fan Motor.	3.	Check for loose
							connection or open, and
							replace.
			4.		Defective Capacitor.	4.	Replace.
				5. Fan blade bound.		5.	Check and replace.
	b) Controller Board	1.			Defective.	1.	See “II.2. [e] CHECKING
							CONTROLLER BOARD.”
[7] All components	a) Refrigerant			1. Undercharged.		1.	Check for leaks and
run but no ice							recharge.
is produced.		2.			Air or moisture trapped.	2.	Replace Drier, and
							recharge.
	b) Compressor	1.			Defective valve.	1. Replace.
	c) Hot Gas Solenoid	1.			Continues to open in freeze	1.	Check and replace.
	Valve				cycle.
	d) Line Valve	1.			Continues to close in	1.	Check and replace
					freeze cycle.
	e) Water Solenoid	1.			Water Solenoid Valve is	1. Check for water leaks
	Valve				open during freeze.		with icemaker off.

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