General lab & storage
Refrigerator / deep freezer
Pharmaceutical-grade cold storage for reference standards, reagents, culture media, samples and temperature-sensitive products, typically at 2–8 °C (refrigerator), −20 °C (freezer) or −80 °C (ultra-low).
- Pharmaceutical
- Biotech
- Hospitals & blood banks
- Clinical research
- Food testing
PREVENTIVE MAINTENANCE
Maintenance checklist
Daily
- Record or review temperatures
- Check the door seal and that the door closes fully
Monthly
- Clean shelves and interior; remove expired material
- Check ice build-up in freezers
- Test the alarm (or as per SOP)
Quarterly / six-monthly
- Clean condenser coils and filters
- Defrost manual-defrost freezers
- Calibrate the display probe and data logger
Annual / after change
- Preventive maintenance by a trained engineer
- Temperature mapping, typically annually or after relocation, repair or change in use
SAFETY
Safety precautions
Before you work on the Fridge / freezer
- Only spark-free (flammable-safe) units may hold flammable solvents.
- Use insulated gloves and eye protection with −80 °C freezers and dry ice.
- Never store food or drink with lab materials.
- Keep cold rooms fitted with inside door releases and alarms.
In LimsPulse · Calibration Management
Keep every Fridge / freezer in control: usage logs, calibration and maintenance schedules, and automatic blocking of overdue instruments.