Hoshizaki fh1-ssb Manual Suplementar

9

[9] Defrost cycle  

lasts too long. 

a) Defrost Thermistor 

1. Defective.

1. Replace.

b) Control Board 

1. Defective.

1. Replace.

c) Defrost

1. Not enough defrosts 

occurring per day. Operation 
in humid conditions. 

1. 

Freezer: See "D.1.b) Defrost 

Frequency." 

. 

Refrigerator: See  "D.1.b) 

Defrost Frequency." 

3. Check thermistor reading and 

position.

d) Defrost Heaters

1. Defective. (E3 should be 

displayed)

1. 

Freezer: Replace heaters. 

Reset E3 by pressing control 
board "ALARM RESET."

e) Safety Defrost 

Thermostat 

1. Defective, turning off heaters 

prematurely, or fused open. 
(E3 should be displayed)

1. Freezer: Replace safety defrost 

thermostat. 
Reset E3 by pressing control 
board "ALARM RESET."

[10] Condensate  

  water overflow.

a) Cabinet Contents

1. Loading of large volumes 

of warm, moist, uncovered 
product.

1. Cover product with plastic wrap.

b) Location of Unit

1. Unit located near high 

humidity source such as 
fryer, steamer, etc.

1. Relocate.

c) Seals

1. Poor sealing around 

evaporator, door gaskets.

1. Adjust or replace.

d) Environment

1. Extreme environment and 

door-opening conditions.

1. Adjust conditions.

[11] Abnormal
       noise

a) Fasteners

1. Loose fasteners allow 

vibration of part.

1. Tighten fasteners.

b) Compressor

1. Problem with mount. 

1. Properly mount compressor. 

Replace any missing grommets.

. Floodback to compressor.

. Check for signs of floodback 

to compressor. Evacuate and 
recharge if necessary.

3. Defective.

3. Replace.

c) Fan

1. Fan blade loose.

1. Adjust and tighten.

. Defective motor.

. Replace.

d) Relay

1. Chattering.

1. Replace.