Manitowoc Indigo Series Installation, Use & Care Manual

Also see for b970 series: Technician's handbook

Contents

Customer Support Section 544 Part Number 000007345 2/14Safety Limit FeatureIn addition to the standard safety controls, such as thehigh pressure cutout, your Manitowoc ice machinefeatures built-in safety limits which will stop the icemachine if conditions arise which could cause a majorcomponent failure.Before calling for service, re-start the ice machine usingthe following procedure:1. Press the power button, the display reads “Off”.Press the power button again and the display reads“Making Ice”.A. If the safety limit feature has stopped the icemachine, it will restart after a short delay.Proceed to step 2.B. If the ice machine does not restart, see “Icemachine does not operate” on the previouspage.2. Allow the ice machine to run to determine if thecondition repeats.A. If the ice machine stops again, the condition hasrepeated. Call for service.B. If the ice machine continues to run, the conditionhas corrected itself. Allow the ice machine tocontinue running.Problem Possible Cause To CorrectIce machine produces shallow orincomplete cubes, or the ice fill pattern onthe evaporator is incomplete.Ice thickness probe is out of adjustment. Adjust the ice thickness probe.(See Section 4)Water trough level is too low. Check the water level probe for damage.(See Section 3)Water inlet valve filter screen is dirty. Remove the water inlet valve and cleanthe filter screen. (See Section 4)Water filtration is poor. Replace the filter.Hot incoming water. Connect the ice machine to a cold watersupply. (See Section 2)Water inlet valve is not working. Replace the water inlet valve.Incorrect incoming water pressure. Water pressure must be 20-80 psi(140 kPa - 550 kPa).Ice machine is not level. Level the ice machine. (See Section 2)Low ice capacity. Water inlet valve filter screen is dirty. Remove the water inlet valve and cleanthe filter screen.Incoming water supply is shut off. Open the water service valve.Water inlet valve stuck open or leaking. Press the power button and turn off theice machine, if water continues to enterwater trough replace the water inletvalve.The condenser is dirty. Clean the condenser. (See Section 4)High air temperature entering condenser. Air temperature must not exceed 120°F(39°C).The harvest assist air compressor is notfunctioning.Call for service.