Scotsman CME2006R - Manual (Page 33)

Service Diagnosis: Components
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 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, the
pump should have power to it. If not, replace
the System 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
System 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 (best
checked at the beginning
of Freeze) Check wire connections, if ok, replace
System 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 runs, but
loudly & no ice is
made Three phase compressor
is phased wrong Switch any two wires to the compressor
Compressor does not
work Unit in Clean cycle Push and release Freeze button.
Contactor coil open Replace contactor
Open starting components Check and replace
Open windings Check and replace compressor
Internal valve failure Replace compressor
CME2006R
July 1998
Page 33