Low Ice Production; Abnormal Ice - Hoshizaki KM-61BAH Service Manual

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4. LOW ICE PRODUCTION

PROBLEM
[1] Freeze cycle
time is long.
[2] Harvest cycle
time is long.

5. ABNORMAL ICE

PROBLEM
[1] Small cubes
[2] Cloudy or
irregular cubes
2940 Hwy 14 W, Rochester, MN 55901
POSSIBLE CAUSE
a) See chart 2 - [3] and check dirty Air Filter or Condenser, ambient or water
temperature, water pressure, Condenser Water Regulating Valve
(KM-151BWH) and refrigerant charge.
b) See chart 3 - [1] and check Float Switch, Inlet Water Valve, and Control
Board.
a) See chart 3 - [2] and check Control Board, Thermistor, Evaporator, ambient
and/or water temperature, water supply line, and Inlet Water Valve.
POSSIBLE CAUSE
a) Cube Guide, 1. Out of position.
Water Tank Circulated water falls
into bin.
b) See chart 2 - [5] and check water supply line, Inlet Water Valve, water system,
Pump Motor, and Control Board.
a) See chart 3 - [1] and - [3] and check Float Switch, Inlet Water Valve, Control
Board, Spray Tubes, water system, refrigerant charge and Expansion Valve.
b) Spray Guide 1. Dirty.
c) Water Quality 1. High hardness or
contains impurities.
1. Check that Cube Guide is
1. Clean.
1. Install a water filter or
39
REMEDY
REMEDY
properly installed on
Water Tank and tank is
fixed securely with snaps.
softener.