Hoshizaki KM-900MWF Manual De Usuario

40

  PROBLEM

         POSSIBLE CAUSE

 REMEDY

[1] The icemaker

a) Power Supply

1. “OFF” position.

1. Move to “ON” position

     will not start

2. Loose connections.

2. Tighten

3. Bad contacts.

3. Check for continuity and
     replace.

4. Voltage too high.

4. Check and get
     recommended voltage.

b) Fuse (Inside Fused

1. Blown out.

1. Check for short circuit

     Disconnect, if any)

    and replace

c) Control Switch

1. “OFF” position.

1. Move to “ICE” position.

2. Bad contacts.

2. Check for continuity and
     replace.

d) Bin Control

1. Tripped with bin filled

1. Remove ice.

     Thermostat

    with ice.
2. Ambient temperature

2. Increase ambient

    too cool.

    temperature.

3. Set too warm.

3. See “II.2.[d]
    CONTROLS AND
    ADJUSTMENTS, 5) Bin
    Control.”

4. Bulb out of position.

4. Place in position.

5. Bad contacts or leaks

5. Check for continuity and

    bulb.

     replace.

e) High Pressure

1. Bad contacts.

1. Check for continuity and

    Control

     replace.

f) Transformer

1. Thermal fuse blown out

1. Replace.

    or coil winding opened.

g) Wiring to

1. Loose connections or

1. Check for continuity and

    Controller Board

    open.

     replace.

h) Thermistor

1. Leads short-circuit or

1. See “II.2.[d] CONTROLS

    open and High

    AND ADJUSTMENTS, 1)

    Temperature Safety

    Defrost Control.”

    operates.

i) Hot Gas Solenoid

1. Continues to open in

1. Check for power off in

   Valve

     freeze cycle and High

     freeze cycle and replace.

     Temperature Safety
     operates.

j) Water Supply Line

1. Water supply off and

1. Check and get

    water supply cycle does

     recommended pressure.

     not finish.
2. Condenser water pressure

2. Check and get

     too low or off and Pressure

    recommended pressure.

    Control opens and closes
     frequently to finally operate
     High Temperature Safety.

k) Water Solenoid

1. Mesh filter or orifice gets

1. Clean.

    clogged and water supply
    cycle does not finish.
2. Coil winding opened.

2. Replace.

3. Wiring to Water Valve.

3. Check for loose connection

                                   or open, and replace.