Hoshizaki KM-260BWH, KM-260BAH, KM-201BAH, KM-201BWH service manual Problem

PROBLEM	POSSIBLE CAUSE				REMEDY
[4] Water	a) Inlet Water Valve	1.	Diaphragm does not	1.	Check for water leaks
continues to			close.		with icemaker off.
be supplied in					Replace if necessary.
freeze cycle.	b) Control Board	1.	Defective.	1.	See “II. 3. [d] CONTROL
					BOARD CHECK
					PROCEDURE”.
[5] No water	a) Water Supply Line	1.	Water pressure too low	1.	Check and get
comes from			and water level in water		recommended pressure.
Spray Tubes.			tank too low.
Water Pump	b) Inlet Water Valve	1.	Dirty mesh filter or	1.	Clean.
will not start, or			orifice and water level in
freeze cycle			water 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.
	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	5.	Replace and clean.
			impeller.
	e) Control Board	1.	Defective.	1.	See “II. 3. [d] CONTROL
					BOARD CHECK
					PROCEDURE”.
[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.	Fan blade bound	4.	Check and replace.
			(locked fan motor).
	b) Control Board	1.	Defective.	1.	See “II. 3. [d] CONTROL
					BOARD CHECK
					PROCEDURE”.
[7] All	a) Refrigerant	1.	Undercharged.	1.	Check for leaks and
components					recharge.
run but no ice		2.	Air or moisture trapped.	2.	Replace drier, and
is produced.					recharge.
	b) Compressor	1.	Defective.	1.	Replace.
	c) Hot Gas Solenoid	1.	Continues to open in	1.	Check and replace.
	Valve		freeze cycle.

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