Hoshizaki F-300BAF service manual Other

3. Other

Problem	Possible Cause		Remedy
[1] Abnormal noise	a)Fan Motor	1. Bearing worn out.	1. Replace.
		2. Fan blade deformed.	2. Replace fan blade.
		3. Fan blade does not	3. Replace.
		move freely.
	b)Compressor	1. Bearings worn out, or	1. Replace.
		cylinder valve broken.
		2. Mounting pad out of	2. Reinstall.
		position.
	c) Refrigerant Lines	1. Rub or touch lines or	1. Replace or separate.
		other surfaces.
	d)Gear Motor	1. Bearing or gear worn	1. Replace.
		out / damaged.
	e)Evaporator	1. Low refrigerant	1. Check charge, check for
		pressures.	possible leak, repair,
			re-charge.
		2. Expansion valve bad.	2. Replace.
		3. Evaporator bad.	3. Replace.
		4. Scale on inside wall of	4. Use "SCALE AWAY" or
		freezing cylinder.	"LIME-A-WAY" solution to
			clean periodically. If the
			water is found hard by
			testing, install a softener.
[2] Overflow from	a)Water Supply	1. Water pressure too	1. Install a pressure reducing
reservoir (water does		high.	valve.
not stop).
	b)Water Valve	1. Diaphragm does not	1. Clean or replace.
		close.
	c) Float Switch	1. Bad contacts.	1. Check for continuity and
			replace.
	d)Water Control Relay	1. Bad contacts.	1. Replace
[3] Gear motor protector	a)Power Supply Voltage	1. Too high or too low.	1. Connect the unit to a
operates frequently or			power supply of proper
fuse blows frequently.			voltage.
	b)Evaporator Assembly	1. Bearings or auger	1. Replace bearings or
		worn out.	auger.
	c) Bin Control	1. Bad contacts.	1. Check for continuity and
			replace.
		2. Actuator does not	2. Clean shaft and its
		move freely.	corresponding holes or
			replace bin control.

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