Scotsman Ice CME1356R, CME1656R specifications Txv

CME1356R and CME1656R

Service Diagnosis

Problem or Symptom	Possible Cause	Probable Correction
	Scale in water system.	Clean water system.
	Water or Air Temperatures too	Check temps. Unit cannot
		operate with water and air
	cold
		temps below stated limits.
	Low system charge	Recover and weigh charge.
	Bypass solenoid does not open	Check solenoid operation
Poor Harvest	Check valve leaks back	Replace check valve
		Check for power to the coil, if
	Hot gas valve does not open	there is power, replace the hot
		gas valve
	Head pressure control valve	Replace the head pressure
	does not maintain enough
		control valve
	pressure (in freeze)
	High discharge pressure, from a	Clean the condenser, repair the
	dirty condenser or faulty fan
		fan motor
	motor
	Extreme hot location	Relocate the cabinet
	Extremely hot condenser	Move condenser or provide
	location	shade
	Overcharge of refrigerant	Recover, evacuate and weigh in
		the nameplate charge
Low capacity
		At the end of the freeze cycle,
		there should be a definite
	Hot gas valve leaks thru, unit off	difference in temperature
	on refrigeration error	between the inlet and outlet of
		the Hot Gas Valve. If not,
		replace the hot gas valve
	Liquid and discharge lines are	Separate and insulate them
	in contact with each other
		Low on refrigerant, locate leak,
		recover refrigerant, repair leak,
		replace drier, evacuate and
		weigh in the nameplate charge.
		TXV superheat too high, check
		charge, if charge is OK, replace
Compressor cycles on and off	Compressor overheats	TXV
		Mechanical fault with
		compressor, replace
		compressor
		Internal relief valve opened,
		check for cause of high
		discharge pressure

May 2001

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