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Read →Commercial · 2026-07-30
Commercial Ice Machine Maintenance: A Checklist for LA Kitchens
Southern California's hard water is the single biggest threat to commercial ice production. Here is the maintenance rhythm that keeps a machine at rated output.
Short answer
Commercial ice machines in Los Angeles should be descaled and sanitised every three to six months because of hard water scale. Condenser coils need cleaning quarterly, and water filters should be replaced every six months to maintain rated ice production.
Why scale is the core problem
Southern California water carries a high mineral load. As water freezes on the evaporator plate, minerals are left behind and gradually form a hard scale layer. That layer insulates the plate, so the harvest cycle takes longer and output drops. Most restaurant operators notice the machine 'slowing down' months before they call anyone.
Every two weeks
Wipe down exterior surfaces and the bin interior. Check that the bin door closes and seals. Confirm the drain is running clear and not backing up.
Quarterly
Clean the condenser coils. In a commercial kitchen these load up with grease aerosol and flour far faster than in any home. Restricted airflow lengthens the harvest cycle and eventually trips the machine on a high-pressure safety limit.
Every three to six months
Full descale and sanitise. This is not a rinse — it requires the manufacturer's nickel-safe cleaner circulated through the water system, followed by a separate sanitiser. Biofilm is a food-safety matter as well as a mechanical one, and health inspectors do look.
Every six months
Replace the inlet water filter. A restricted filter produces small, hollow or cloudy cubes long before it stops the machine entirely.
Signs you need service now
Production noticeably below the rated output, ice that is soft or tastes off, the machine freezing up mid-harvest, or visible slime inside the cabinet. Any of these means booking service rather than waiting for the next scheduled clean.
Need a hand? Lerman Appliances has served Los Angeles since 2002. Call (818) 510-4851, provide the model number and describe the symptoms — we’ll try our best to tell you what is likely wrong before dispatching anyone.
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