Weekly:

  • Visual inspection for frost/ice buildup
  • Check liquid level (if visible gauge)
  • Verify canes/samples secured
  • Review temperature (if monitoring)

Monthly:

  • Check temperature with thermometer (verify -190°C to -196°C)
  • Inspect neck tube for cracks
  • Check protective bumpers
  • Review sample inventory

Quarterly:

  • Clean exterior (damp cloth only, no harsh chemicals)
  • Inspect protective bumpers for wear
  • Check all connections/seals
  • Review maintenance log

Annually:

  • Professional vacuum inspection (£100-150)
  • Pressure relief valve testing
  • Seal/gasket replacement if needed (£75-200)
  • Full recertification (£100-150)
  • Insurance documentation update

Every 5 years:

  • Consider full recertification
  • Evaluate equipment age/condition
  • Plan for replacement timeline
  • Review performance data

Key rule: Regular inspection prevents emergency failures.