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FixGrid Blog

Repair tips, guides and field notes.

Practical advice from working technicians serving Maryland and DC.

Commercial Refrigeration FDA Compliance Guide

FDA Food Code rules for walk-in coolers and freezers, how to build a compliant temperature-log program, and how automated monitoring plus PM inspections prevent overnight inventory loss.

Read: Commercial Refrigeration FDA Compliance Guide

Commercial Ice Machine Maintenance Guide

Preventive maintenance checklist for Manitowoc, Hoshizaki, Scotsman and Ice-O-Matic — cleaning cycles, scale removal, filter replacement intervals and when to call a pro.

Read: Commercial Ice Machine Maintenance Guide

Commercial Refrigeration Maintenance Checklist (Free PDF)

Weekly, monthly, quarterly and annual PM tasks for walk-in coolers, reach-ins and ice machines — with a printable PDF.

Read: Commercial Refrigeration Maintenance Checklist (Free PDF)

Commercial Refrigerator Troubleshooting Guide

Fix it yourself with confidence: compressor not starting, temperature fluctuations, ice build-up and leaks — symptom-by-symptom DIY checklist for restaurant and market owners.

Read: Commercial Refrigerator Troubleshooting Guide

Commercial Prep Table Troubleshooting Guide

Warm sandwich rails, warm base cabinets, ice, leaks and E1/HP/LP error codes — the symptom-by-symptom checklist for commercial sandwich and pizza prep tables.

Read: Commercial Prep Table Troubleshooting Guide

Refrigerator Not Cooling? Diagnose It in 5 Minutes

The 6 most common reasons a fridge stops cooling, ranked by likelihood and repair cost.

Read: Refrigerator Not Cooling? Diagnose It in 5 Minutes

When to Repair vs Replace Your Washer

Our 50% rule and how warranty, age and brand change the math.

Read: When to Repair vs Replace Your Washer

Commercial HVAC PM: What Restaurants Should Schedule Quarterly

A no-nonsense PM checklist that prevents the most expensive RTU failures.

Read: Commercial HVAC PM: What Restaurants Should Schedule Quarterly

Sub-Zero Built-In Door Seal Replacement: What to Know

Why gaskets fail, how to tell, and what a proper Sub-Zero seal swap costs.

Read: Sub-Zero Built-In Door Seal Replacement: What to Know

DIY Dryer Repair: When the $19.99 Guide Pays for Itself

Three failures most homeowners can fix safely in under an hour.

Read: DIY Dryer Repair: When the $19.99 Guide Pays for Itself

AI Diagnostics for Appliances: How Maya Works

Behind the scenes of our AI symptom-to-fix engine and what it can (and can't) do.

Read: AI Diagnostics for Appliances: How Maya Works