When the ice from your Sub-Zero ice maker machine melts too quickly, it can be a concern. Here are potential problems and solutions specifically related to the ice maker machine itself:

1. Inadequate Insulation
   Check if the ice maker machine has proper insulation. If not, consider insulating the area around the ice maker to maintain lower temperatures and slow down ice melting.

2. High Ambient Temperature
   Ensure that the room or area where the ice maker is located maintains a suitable temperature. High ambient temperatures can accelerate ice melting.

3. Insufficient Cooling
   Verify that the ice maker machine’s cooling system is functioning correctly. Any issues with the cooling mechanism can lead to rapid ice melting. Contact a technician for repair if needed.

4. Ice Maker Overproduction
   If the ice maker produces ice at a rate that exceeds your usage, it can lead to ice melting too quickly. Adjust the ice maker’s production settings to better match your needs.

5. Ice Bin Temperature
   Check the temperature inside the ice bin or storage area of the ice maker. If it’s too warm, ice can melt more quickly. Make sure the ice storage area is adequately chilled.

6. Ice Quality
   Poorly formed ice cubes can melt faster. Ensure that the ice maker machine is producing ice of the correct size and quality. If not, troubleshoot the ice production process or contact a technician.

7. Ice Compartment Door Seal
   Inspect the seal or gasket around the ice compartment door for any damage or wear. A faulty seal can allow warm air to enter, causing ice to melt faster. Replace the seal if necessary.

8. Dirty Condenser Coils
   Dirty or dusty condenser coils can affect the cooling efficiency of the ice maker machine. Clean the coils to improve cooling and reduce ice melting.

9. Ice Bin Overcrowding
   Avoid overloading the ice bin with excess ice, as this can cause the ice to melt more quickly. Use and refill the ice regularly to maintain a fresh supply.

Addressing these specific problems related to your Sub-Zero ice maker machine can help prolong the life of your ice and maintain its quality for longer periods. If issues persist despite attempting these solutions, consider contacting a professional technician for a more comprehensive assessment and repair.