Hoshizaki KMD-700MAH, Руководство по обслуживанию

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4. Abnormal Ice
5. Other
3. Low Ice Production
Problem Possible Cause Remedy
[1] a)
b)
[2] Harvest cycle time is
long.
a)
See chart 1.[3] and check high pressure control and water regulator.
See chart 2.[1] and check float switch, water solenoid valve and controller board.
See chart 2.[2] and check evaporator, water supply line, water solenoid valve,
ambient and/or water temperature, line valve, thermistor, and controller board.
Freeze cycle time is
long.
Problem Possible Cause Remedy
[1] Small cubes. a) Ice Cube Guide 1. Out of position. Circulated
water falls into bin.
1. Place in position.
b)
c) Drain Valve 1. Dirty. 1. Clean.
[2] Cloudy or irregular
cubes.
a)
b) Spray Guide 1. Dirty. 1. Clean.
c) Water Quality 1. High hardness or contains
impurities.
1. Install a water softener or
filter.
See chart 1.[5] and check water supply line, water solenoid valve, water system,
pump motor, and controller board.
See chart 2.[1] and 2.[3], and check float switch, water solenoid valve, controller
board, spray tubes, water system, refrigerant charge, and expansion valve.
Problem Possible Cause Remedy
[1] Icemaker will not
stop when bin is filled
with ice.
a) Bin Control 1. See "II.3.[c]
Troubleshooting."
[2]
Abnormal noise.
a) Pump Motor 1. Bearings worn out. 1. Replace.
b) Fan Motor 1. Bearings worn out. 1. Replace.
2. Fan blade deformed. 2. Replace fan blade.
3. Fan blade does not move
freely.
3. Replace.
c) Compressor 1. Bearings worn out or
cylinder valve broken.
1. Replace.
2. Mounting pad out of
position.
2. Reinstall.
d) Refrigerant Lines 1. Rub or touch other lines or
surfaces.
1. Replace.
[3] Ice in storage bin
often melts.
a) Bin Drain 1. Plugged. 1. Clean.