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Not cooling? Start with a useful record.

Record the model, temperatures, timing, environment and repair history that can help support assess a Plunge cooling problem.

sources current to September 19, 2026

The takeaway

Record the unit, setpoint, measured temperature, conditions and elapsed time. Observations help support investigate; they do not establish a technical cause.

When the water is warmer than expected, make the first support request specific: which unit, what temperature, measured how, and over what period? A short dated timeline is more useful than a diagnosis guessed from another owner’s post. Follow the instructions for your equipment before any troubleshooting.

This guide helps you prepare that record. It does not diagnose a compressor, refrigerant circuit, electrical fault or failed control from a symptom alone. Use the instructions for your exact equipment and qualified service for work beyond ordinary owner care.

Identify the equipment before following a procedure

Record the tub, chiller, generation, optional heater, delivery date and previous replacements. Keep the serial number in your private service file. A technician may need it; a public account generally does not.

Use Plunge’s setup directory to locate the corresponding instructions. The directory distinguishes equipment families, so do not assume a procedure found for another Plunge applies to yours. Official setup directory

Record a temperature timeline

Capture the displayed setpoint and the displayed water temperature at the same time. If you also use a separate thermometer, record its type, location and reading separately. An independent measurement and an app display are different observations; keep both rather than silently substituting one for the other.

Time and time zone Setpoint Displayed water temperature Separate measurement, if available Conditions or change
First observation Record value and unit Record value and unit Device, location and value Recent fill, use, cover position or other relevant event
Later observation Record any change Record value Use the same method Record elapsed time and relevant changes
Support-directed check Record value Record value If requested Name the approved procedure and who performed it

Avoid turning a single reading into a cooling-rate conclusion. Starting temperature, water quantity, room or outdoor conditions and recent use can affect what a comparison means. Ask support what observation interval and operating conditions it wants for your specific equipment.

Include the environment and care history

Supply photographs of the installation without exposing private information. Record ambient conditions, clearances, recent maintenance and any changes since the equipment last worked as expected. State what you know and identify what you cannot reconstruct.

Official instructions contain model-specific placement, circulation and environmental conditions. For example, the published residential All-In setup guide includes ventilation and freeze-protection requirements; its generation must be matched to the unit being assessed. Residential All-In setup guide

Do not bypass protective devices, open electrical components or attempt refrigerant work to complete a public checklist. Report leaking water, unusual electrical symptoms or other safety concerns directly and follow appropriate professional guidance.

Make the first request answerable

Copy this structure into a service request:

My equipment is [model, generation and configuration]. The problem was first observed on [date]. The selected temperature was [value]; the displayed temperature was [value] at [time]. Attached are the observation log, installation photos and relevant maintenance or repair records. Please confirm the next diagnostic step, who will perform it, any charge requiring approval and when I should expect the next update.

If the problem follows a repair, identify the service date and changed parts. Describe the sequence without assuming the repair caused the new symptom.

Ask how the outcome will be checked

Before work begins, ask what successful operation should look like and how it will be observed afterward. Record the actual return to usable service separately from the technician’s visit or ticket closure. If the problem remains intermittent, record when it appeared and what was happening at the time.

Keep updating the same incident record until there is a clear outcome. That produces a more useful account for support, another owner or an independent reviewer than a series of disconnected messages.

Prepare the first support message

Put the model and generation, symptom start, setpoint and observed temperature timeline in one message. Attach the relevant service history and ask what authorized check comes next. Do not open electrical or refrigerant components to complete this record.

Basis

Plunge's equipment documentation, with an observation and service-request template.