Scotsman SCN60 Manual page 61

No Ice – Ice Making Light is ON
• Auger motor, Compressor and
Fan are operating, ice sweep is
turning, condenser is clean.
– Possible refrigerant leak
– Possible compressor valve failure
• Add temporary access valve to process tube of
compressor to check suction pressure – MUST use short
hose (6") or charge will be affected.
• Suction pressure should be about 8 PSIG