Manitowoc SF0406A Installation, Use & Care Manual

Contents

Part Number 000001196 3/08 5-1Section 5Before Calling for ServiceChecklistIf a problem arises during operation of your ice machine, follow the checklist below before calling for service. Routineadjustments and maintenance procedures are not covered by the warranty.Problem Possible Cause To CorrectIce machine does not operate No electrical power to the ice machine Reset the breaker/turn on main power switch/plug cord into receptacleICE/OFF/CLEAN toggle switch set improperly Move toggle switch to the ICE positionControl Board fuse open Replace the fuse5 minute delay has not expired Wait 5 minutes for ice machine to startHigh Pressure Control is open Clean filter and condenserGear Motor runs butcompressor will not start / noice is made.Water reservoir is empty. (Water sensingswitch must be closed to start the compressor)Open water service valve or clean float valvescreenIce machine stops and can berestarted by moving the toggleswitch to OFF and back to ICEThe SafeGuard feature is stopping the icemachineRefer to “SafeGuard Feature” in this sectionIce quality is poor Poor incoming water quality Contact a qualified service company to test thequality of the incoming water and check filterWater filtration is poor Replace filterIncoming water temperature is above 90 °F(32.3 °C)Correct water temperature. (Verify check/mixing valves in other equipment are workingproperly). Connect the ice machine to a coldwater supplyWater pressure is low Water pressure must remain between 20 and80 psigWater softener is working improperly (ifapplicable)Repair the water softenerLow ice capacityorIce machine turns Off & OnrepeatedlyWater float valve screen is dirty Remove and clean the filter screenIncoming water supply is shut-off Open the water service valveWater dump valve is leaking Clean the dump valveWater Pressure is low. The water sensingswitch turns off the ice machine repeatedlyWater pressure must remain between 20 and80 psigIncoming water temperature is above 90 °F(32.2 °C)Correct water temperature. (verify check/mixing valves in other equipment is workingproperly)Frequent power interruptions or power surges/dipsVerify ice machine is on a separate circuit andpower is stableWater float valve stuck open or leaking Remove the float valve and clean itAir-Cooled Models Only Objects stacked around ice machine, blockingairflow to condenserRemove items blocking airflowHigh air temperature around ice machine Air temperature must not exceed 110 ° F(43.3° C)Inadequate clearance around the ice machine Provide adequate clearanceThe condenser is dirty Clean the condenserQuietQube Only Condensing unit fuse open or no electricalpower to condensing unit.Replace fuse/reset breaker/turn on mainpower switch.