Hoshizaki F-300BAF Manuale Utente

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