If youve tried all the above steps and your ice machine is still experiencing low production, its time to get the technician and schedule repairs. Scotsman ice machine sump temp sensor failure. Your email address will not be published. Room temperature and water temperature should be checked, as well as machine leveling and deep cleaning. If a malfunction occurs a machine must be back in service fast. Lubricating the bearing should help eliminate the sound. Hartell GPP-1MH-1P 803338 Ice Machine Water Pump Mod For 9161076-01 916107601 Hartell GPP-1MH-1P Part Number 803338 Replacement Pump . Ensure that the fill cup is properly aligned with the water funnel by checking it periodically.