Manitowoc Ice QM30 manual Before Calling for Service

Page 22

Before Calling for Service		Section 5

Problem	Possible Cause	To Correct
Ice machine produces shallow or	Water level is low	Be sure the overflow tube is fully seated to
incomplete cubes, or the ice fill		prevent water leakage
pattern on the evaporator is
pattern on the evaporator is	Water inlet valve filter screen is dirty	Remove the water inlet valve and clean
incomplete		the filter screen
	Water filtration is poor	Replace the filter
	Hot incoming water	Connect the ice machine to a cold water
		supply
	Ice thickness adjustment dial is not set	Adjust the ice thickness adjustment dial
	properly
	Incorrect incoming water pressure	Water pressure must be 240-620 kPA
		(34.8 - 89.9 psi)
	Ice machine is not level	Level the ice machine
Low ice capacity	Water inlet valve filter screen is dirty	Remove the water inlet valve and clean
		the filter screen
	Incoming water supply is shut off	Open the water service valve
	The air filter is dirty	Clean the air filter
	The condenser is dirty	Clean the condenser
	Inadequate airflow at the front of the ice	Remove items blocking airflow at the front
	machine	of the ice machine
	Ice thickness adjustment dial is not set	Adjust the ice thickness adjustment dial
	properly

5-2	Part Number 000001772 07/08

Image 22

Contents QM30 UnderCounter Model Ice Machines Read These Before Proceeding Safety NoticesProcedural Notices Personal Injury PotentialWater Supply and Drain Line SIZING/CONNECTIONS …………… Table of ContentsSequence of Operation Initial START-UP or START-UP After Automatic SHUT-OFF ……General ……………………………………………………………………… Cleaning and Sanitizing Procedure ………………………………Removal from Service/Winterization Part Number 000001772 07/08Model/Serial Number Location Model/Serial Number LocationGeneral Information Owner Warranty Registration CardSection Section General InformationThis page Intentionally Left Blank Dimensions GeneralIce Machine Heat of Rejection Installation InstructionsLocation of Ice Machine Leveling the Ice MachineVoltage Installation InstructionsElectrical Service FUSE/CIRCUIT BreakerElectrical Cord Strain Relief Strain Relief InstallationTerminal Block Wire Connection Terminal Block ConnectionsDrain Connections Water Service/DrainsWater Supply Water Supply and Drain Line SIZING/CONNECTIONSTypical Water Supply and Drain Line Sizing and Connections Initial START-UP or START-UP After Automatic SHUT-OFF Operation Ice Thickness AdjustmentIce Thickness Adjustment Dial Correct Ice Bridge ThicknessQM30 45 ml Interior Cleaning and SanitizingCleaning and Sanitizing Procedure Remove the Overflow TubeRemove the Water Pump MaintenanceRemoving the Water Pump Remove the Water Trough Maintenance Exterior CleaningRemoval from Service/Winterization Removing the FilterChecklist Problem Possible Cause To CorrectBefore Calling for Service