Hoshizaki M029-897 H. Quick Adjustments, Dimple Diameter, a To increase dimple diameter

Models: M029-897

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H. Quick Adjustments

Error Codes

Error

Problem

Corrective Action/Reset Details

Code

 

 

EE

High Evaporator Temperature

Check for harvest problem (stuck HGV or control

(E5)

If evaporator temperature 140°F (60°C) or higher

board relay), hot water entering unit, or shorted

 

for 5 sec., unit stops.

thermistor.

 

 

Press the "RESET" button to reset.

 

 

 

EE

Condenser Thermistor Error

Replace condenser thermistor.

(E9)

If condenser thermistor is open or shorted for

 

 

2 sec., unit stops.

 

 

Note: IM-500SAA does not utilize a condenser

 

 

thermistor, therefore E9 error will not occur.

 

 

 

 

EE

Control Board Error

Replace control board.

(EA)

If model data IC is defective, unit stops.

 

 

 

 

EE

Evaporator (Cube Control) Thermistor Error

Replace evaporator thermistor.

(EC)

If evaporator thermistor is open or shorted for

 

 

2 sec., unit stops.

 

 

 

 

EE

Water Regulating Valve Error

Check water regulating valve.

(Ed)

If water regulating valve thermistor detects a

 

 

temperature below the water regulating valve

Press the "RESET" button to reset.

 

error detection temperature (Control Board

 

 

Setting 36), error is displayed but unit continues

 

 

to operate.

 

 

Note: IM-500SAA does not utilize a water

 

 

regulating valve, therefore Ed error will not occur.

 

 

 

 

H. Quick Adjustments

1. Dimple Diameter

The factory set dimple diameter is 3/16" (5 mm). NOTICE! Do not decrease the dimple diameter below 3/16" (5 mm).

a)To increase dimple diameter:

1)Remove front panel.

2)Press the "SERVICE 1" button to view the current freeze cycle termination temperature setting.

3)Press the "SERVICE 1" button to raise freeze cycle termination temperature setting (Control Board Setting 2). Temperature setting rises in .5°C increments. The "." in the lower, right corner of the display indicates .5°C. Default is -18.5°C. For reference, raising freeze cycle termination temperature setting to -13°C will result in a dimple diameter of approximately 3/8" (10 mm).

4)Once the display returns to "on" (20 seconds), the new setting is saved.

b)To decrease dimple diameter:

1)Remove front panel.

2)Press the "SERVICE 2" button to view the current freeze cycle termination temperature setting.

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Hoshizaki M029-897 H. Quick Adjustments, Dimple Diameter, a To increase dimple diameter, b To decrease dimple diameter