Scotsman Modular Cuber C0522

Ensure the model is a remote model

Put the controller into test mode by depressing Off for 3 seconds then Clean for 3 seconds

Is the Condenser Fan motor indicator light on at the end of the test cycle?

Is the liquid line valve open at the end of the test cycle?

Check the voltage to the liquid line valve coil at the end of the test

Is there voltage at the liquid line lead connection?

Ensure unit is powered up and water is in the sump. Add water manually if needed.

Locate water level sensor and release from sump cover.

Lift sensor until mid-length probe is out of the water.

Did the sump empty light turn ON?

If unit is on, did the inlet water solenoid valve open?

Return water level sensor to normal position.

If unit is on and calling for ice, did the sump full light turn ON?

Observe the Ready To Harvest light

Connect the metal part of the Ice Thickness sensor to the evaporator or touch its metal surface to the metal control box wall

Did the Ready for Harvest light turn ON?

Unplug the ice thickness sensor lead from the controller

Attach refrigeration gauge set to high side port

Unplug both wires from fan pressure control and wrap terminals in electrical tape

Connect ohmmeter to terminals of fan pressure control

Observe and record pressure at which the pressure control closes

Is the closing pressure within specification?

Switch unit off and allow system to equalize

Observe and record pressure at which the pressure control opens

Check indicator light for cleaning interval

Press the Clean button to start Manual Harvest

Ensure the reservoir is drained and refilled

Did the controller blink A d 1 to indicate scale remover addition?

Add nickel safe ice machine scale remover

Verify the controller circulates and flushes out the scale remover