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Service Diagnosis: Components
CME1356R and CME1656R
May 2001
Page 33
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 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 (best
checked at the beginning
of Freeze)
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
Open starting components Check and replace
Open windings Check and replace compressor
Internal valve failure Replace compressor