Scotsman Modular Cuber C0630SR-32

Shut unit off by holding the Off button for 3 seconds

Is the Water Solenoid indicator light ON?

Shut the unit down by holding the Off button for 3 seconds

Unplug the harness connection from the inlet water valve

Is the compressor indicator light on when the unit is in ice making mode?

Measure voltage on the coil of the contactor

Is there full voltage present on the contactor coil?

Is the high pressure cut out open?

Measure voltage from the controller to ground at pin 4

Is there voltage from the controller to ground at pin 4?

Check controller for sensor calibration

Open control box cover and unplug sensor from J6

Measure the temperature of the water

Push and release the clean button

Measure the resistance of the water probe and compare to the chart

Measure the temperature of the discharge line

Measure the resistance of the discharge temperature sensor and compare to the chart

Remove both water and discharge sensors from the ice machine

Measure idle voltage at the contactor (compressor off)

Measure active voltage at the contactor (compressor starting)

Is the supply voltage above the lowest rated voltage for the ice machine?

Measure PTCR resistance at room temperature (50-100°F)

Is PTCR resistance between 25 and 50 ohms?

Measure resistance to ground from PTCR

Is resistance to ground infinite?

Push and release the Harvest button to activate the Harvest Assist

Is the Hot Gas indicator light on?

Did the ejection pin extend when ice was thin or after pressing against full-sized ice?

Perform voltage check on Harvest Assist Solenoid

Measure voltage at the solenoid harness connector

Is full voltage present at the solenoid harness connector?

Does the solenoid extend with full voltage?

Check voltage at the controller's hot gas/harvest assist pin 5