Hoshizaki F-300BAF Manuale Utente

31

e) Compressor

1. Loose connections.

1. Tighten.

2. Motor winding opened 

or grounded.

2. Replace.

3. Compressor locked 

and motor protector 
tripped.

3. Replace compressor.

f) Power Supply

1. Circuit ampacity too 

low.

1. Install a larger-sized 

circuit.

[5] Gear motor and 

compressor start, but 
no ice is produced.

a) Refrigerant Line

1. Gas leaks.

1. Check for leaks with a leak 

detector. Replace drier and 
charge with refrigerant. 
Refrigerant charge is 
marked on nameplate or 
rating label.

2. Refrigerant line 

clogged.

2. Replace the clogged 

component.

[1] Low ice production.

a)Refrigerant Line

1. Gas leaks.

1. See "2. [5] a) Refrigerant 

Line."

2. Refrigerant line 

clogged.

2. Replace the clogged 

component.

3. Overcharged.

3. Recharge.

b)High-Side Pressure Too 

High

1. Dirty air filter or 

condenser. 

1. Clean.

2. Ambient or condenser 

water temperature too 
warm. 

2. Reduce temperature.

3. Condenser water 

pressure too low or off. 
[water-cooled model 
only]

3. Check and get recom-

mended pressure.

4. Fan, slow rpm.

4. See "3. [1] a) Fan Motor".

5. Water regulating valve 

clogged. [water-cooled 
model only]

5. Clean.

c) Expansion Valve (not 

adjustable)

1. Low-side pressure too 

low.

1. Replace.

2. Low-side pressure too 

high.

2. See if expansion valve 

bulb is mounted properly, 
and replace the valve if 
necessary.