Low Ice Production; Abnormal Ice - Hoshizaki KM-151BAW Service Manual

4. LOW ICE PRODUCTION

PROBLEM
[1] Freeze cycle a) See chart 2 - [3] and check dirty Air Filter or Condenser, ambient or water
time is long.
b) See chart 3 - [1] and check Float Switch, Inlet Water Valve, and Control
[2] Harvest cycle a) See chart 3 - [2] and check Control Board, Thermistor, Evaporator, ambient
time is long.

5. ABNORMAL ICE

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