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Printable checklist

Walk-in cooler temperature log

Print this sheet, pin it by the walk-in door and fill it in at every reading. It records the temperature and the door checks together, so a drift shows up in the column before it shows up in the stock.

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How to use this log

Take the reading at roughly the same times each day, usually once at opening and once during or after service. Consistent timing makes the numbers comparable, and the pattern is what shows a problem. Name each box the same way every time, and write something in every line. A gap reads worse than an out-of-range number with a note beside it. Your local health authority and your own food safety plan set the required frequency, so confirm that rather than assuming it.

At each reading, push the door shut and look at the gasket, the latch and the frame for frost. Those checks take a moment and they catch the most common cause of a box that will not hold, which is a door that is not sealing. Once every two weeks, look down the column instead of at the last entry. A slow upward creep, a longer recovery after a delivery or a widening gap between morning and evening readings are the signs worth acting on. The article on walk-in temperature logs explains each one, and seven signs a walk-in cooler is about to fail covers what they lead to.

The door is the half our own technicians fix: gaskets, hinges, latches, closers and sweeps. The refrigeration system behind it needs a licensed contractor, and TrionX coordinates and documents that visit. If the box is drifting right now, read the walk-in is not holding temperature. If the door is the suspect, read the walk-in door will not seal. Keep any service report with this sheet so the readings and the repairs sit together.

The checklist

Walk-in cooler temperature log

Download the PDF to print

Log columns

  • Date and time
  • Unit, named the same way every time
  • Controller reading
  • Probe or thermometer reading, where practice requires it
  • Who took it
  • Notes: delivery, door propped, defrost, hot afternoon

At every reading

  • Push the door shut and look around the whole edge
  • Does it latch on its own from half open?
  • Run a hand along the gasket for tears and flat spots
  • Check the sweep and threshold for ice or drag
  • Look for frost at the frame and on the coil
  • Nothing stacked against the fans or holding the door

Weekly walk-round

  • Close the door on a sheet of paper at several points
  • Check hinge screws and the latch strike for movement
  • Check the evaporator fans are running
  • Check the condenser outside is clear of cardboard and grease
  • Look for water on the floor and listen for new noise

When a reading drifts

  • Write the reading down, never leave a gap
  • Note the probable cause, if known
  • Note what you did and any product decision
  • Log the follow-up reading and its time
  • Stop opening the door for anything that can wait
  • Do not chip ice with anything hot, sharp or metal

Call when

  • The door checks come back clean and it still drifts
  • Ice keeps returning on the coil with a sound door
  • It runs nearly all the time or recovers more slowly each week
  • A freezer is drifting at all
  • A torn gasket or sagging door needs fitting
  • Say: what it reads, what it should read, cooler or freezer, what is in it

Where it comes from

Built from these pages

Common questions

Questions about this checklist

How often should the log be filled in?

Twice a day is the common practice, taken at about the same times so readings can be compared. Confirm the requirement for your operation with your local health authority and your food safety plan.

What do I write when a reading is out of range?

Record the reading anyway, then note the probable cause if you know it, what you did, any decision about the product and the follow-up reading with its time. An excursion with a note is a record. A blank is what gets read as a problem.

Who fixes the door and who fixes the cooler?

The gasket, hinges, latch, closer and sweep are door hardware, and our own technicians fit them. TrionX carries general liability and workers' compensation. The compressor, evaporator, condenser and refrigerant are refrigeration work, carried out by licensed, insured contractors, coordinated and documented by TrionX.

More to print

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Door worn, or the box still drifting?

Tell us what the log shows. Our own technicians fit gaskets, hinges, latches and closers. The refrigeration system is carried out by a licensed contractor, coordinated and documented by TrionX. Someone who works here answers, out of hours included.

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