Using the App

Equipment and Cold Storage Simulator

Premium tool. Open directly at /equipment-cold-storage-simulator. The simulator has its own page; it is not currently listed on the /training-dashboard hub.

Cold-chain failures are common, costly, and patient-safety relevant. This simulator drills the routine and incident-response workflows for every storage class in the pathology lab.

What it does

• Simulates a multi-fridge / multi-freezer estate across blood-bank, sample storage, reagent storage, archive
• Generates temperature alarms and asks you to respond
• Walks you through storage mapping for new equipment installation
• Tests chart-recorder vs continuous-monitor decisions
• Drills scheduled validation (qualification — IQ, OQ, PQ) cycles

Equipment classes covered

• Blood-bank fridges (2-6°C) — strictest control, validated, alarmed, audited
• Plasma freezers (-25°C / -30°C / -80°C depending on use) — for FFP, cryoprecipitate, research samples
• Cryogenic storage (-150°C and below) — liquid nitrogen, semen/embryo cryopreservation
• Reagent fridges (2-8°C) — analyser reagents, kits
• Sample storage fridges/freezers — short and long-term archive
• Ambient stores (15-25°C controlled) — paraffin blocks, dry reagents
• Room-temperature platelet incubators (20-24°C with agitation) — Transfusion-specific

Alarm response priorities

When an alarm fires:

1. Acknowledge within the SOP-specified window
2. Triage — is this a temperature excursion or a sensor fault?
3. Quarantine affected stock
4. Document start time, end time, peak excursion
5. Decision — are samples still usable? (Time-out-of-controlled-environment rule applies)
6. Move stock if equipment cannot be recovered quickly
7. Datix incident report if patient-impacting

Time-out-of-controlled-environment rules

Same as covered in SHOT Cold Chain Simulator (article 39) for blood components. Other stock has different tolerances:

• Plasma frozen — partial thaw above -25°C — discard if cryoprecipitate, use within 24h if FFP that fully thawed
• Reagents — manufacturer IFU determines tolerance; usually 24-72h above storage limit triggers review
• Cryogenic samples — depends on sample type and what is stored

Equipment qualification

The simulator drills the IQ / OQ / PQ model:

• Installation Qualification (IQ) — equipment installed correctly, calibration certificates received
• Operational Qualification (OQ) — equipment performs to specification across its operating range
• Performance Qualification (PQ) — equipment performs consistently in actual use, often with temperature-mapping studies

For new fridges/freezers, a 24-hour temperature map across the empty chamber and again loaded is standard.

Standards alignment

• ISO 15189:2022 clause 6.6 (Equipment) and 6.7 (Maintenance)
• JPAC Red Book — blood-bank specific
• MHRA Good Distribution Practice (GDP) — for blood products
• MHRA Good Practice for Equipment Qualification
• HTM 07-04 — water-based equipment legionella control
• UKAS — explicit accreditation expectations on equipment management

Bands and competency mapping

• Band 4 / 5 — execute daily temperature checks; respond to alarms in scope
• Band 6 — equipment lead in own section; coordinate qualification for new installs
• Band 7 — service-wide equipment governance; lifecycle planning; vendor management