Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual download pdf (Page 34)

Problem Possible Cause Remedy

[3] Compressor will

not start or

stops operating.

(continued)

f) Voltage 1. Too low. 1. Call electrician.

2. Too high. 2. Call electrician.

g)High Pressure Switch 1. Restricted air ow to

condenser.

1. Move unit or increase

ventilation.

2. Condenser air lter

and/or condenser

clogged.

2. Clean.

3. Bad contacts. 3. Check continuity and

replace.

4. Condenser fan motor. 4. See [2] a) and b).

g)High Pressure Switch

(continued)

5. Refrigerant line or

component plugged or

restricted.

5. Recover, remove

restriction, replace drier,

evacuate, and recharge.

6. Refrigerant overcharge. 6. Recover, evacuate, and

recharge.

7. Non-condensibles in

system.

7. Recover, replace drier,

evacuate, and recharge.

h)Thermistors (cabinet

and rail)

1. Defective. 1. See"II.E.Thermistor

Check."

i) Compressor Overload 1. Defective. (open

contacts)

1. Replace.

j) Compressor 1. Open windings. 1. Check for continuity and

replace.

2. Locked rotor. 2. Replace.

k) Control Board 1. In alarm or defective. 1. See"III.A.AlarmSignals"

or replace

2. Cabinet Cooling

Problem Possible Cause Remedy

[1] Cabinet

temperature too

high.

a) Warm Food 1. Warm food recently

placed in cabinet area.

1. Pre-cool food or allow time

for unit to return to setpoint

temperature.

b) Doors/Drawers 1. Left open, opened too

often.

1. Close.

2. Not sealing, opened

frequently, or open for

long intervals.

2. Check for sealing, check for

door open at time of warm

cabinet temperature.

c) Outside Heat Source 1. Too close to unit. 1. Separate unit from heat

source.

d) Air Flow 1. Blockage inside

cabinet.

1. Remove blockage by

removing or redistributing

food product.

e) Cabinet Thermistor 1. Defective. 1. See"II.E.Thermistor

Check."

f) Setpoint and/or

Temperature

Correction Factor

1. Incorrect. 1. Correct setting(s).

See"II.D.4.c)Temperature

Setpoint"or

"II.D.4.f)Temperature

CorrectionFactor"for

defaults.

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 65 66

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Hoshizaki REFRIGERATED PREP TABLE WITH RAISED RAIL 73168 User Manual Page 34

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