Scotsman CME806R Manual descargar pdf (Pagina 29)

Service Diagnosis: Components

CME506R, 656R, 806R: AutoIQ Cubers

January 2000

Page 29

Problem or Symptom Possible Cause Probable Correction

Fan motor does not

turn.

Open motor windings, or

seized bearings

Replace fan motor

No power to fan motor KCMR230 relay points may be open. Wires

may be disconnected, contactor may not

close.

Pump motor does not

turn

Open motor windings, or

seized bearings

Replace pump

No power to pump Check electrical connections. In Freeze,

Clean or Harvest the pump should have

power to it. If not, replace the AutoIQ

Controller.

Hot Gas Valve does

not open.

Open solenoid coil. Replace hot gas valve

Stuck valve Replace hot gas valve

No power to coil in Harvest Check wire connections, if ok, replace AutoIQ

Controller

Hot Gas Valve leaks

thru (warm tube

temperatures on both

sides of valve during

freeze)

Mechanical problem in

valve

Replace valve

Water Inlet Valve does

not open

Open solenoid coil Replace valve

Stuck valve Replace valve

No power to valve (early

part of harvest)

Check wire connections, if ok, replace AutoIQ

Controller

Water Inlet Valve does

not flow enough water

Restriction in water supply Check water filters and/or inlet screen.

Water Inlet Valve

leaks thru

Mechanical problem in

valve

Replace valve

Compressor does not

work

Unit in Clean cycle Push and release Freeze button.

Contactor coil open Replace contactor

Liquid line valve coil open Check and replace

No power to liquid line

valve coil

Check wiring and controller

Pump down control open Check and replace

Open starting components Check and replace

Open windings Check and replace compressor

Internal valve failure Replace compressor

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Scotsman CME806R Manual Pagina 29

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