Randell Walk-In Cooler Thermostat Issue in Middleburg, FL
Temperature inaccurate, cycling abnormally. Bad thermostat or temperature sensor. We fix this on Randell walk-in coolers across Middleburg. A live dispatcher answers your call — no phone tree, no callback queue.

Why your Randell walk-in cooler is thermostat issue
A Randell walk-in cooler that is thermostat issue tends to show the same signs: temperature inaccurate, cycling abnormally. Bad thermostat or temperature sensor. More often than not it traces back to a bad control board. Left unaddressed, food or stock can spoil within hours.
Most likely causes
- Stuck thermostat contacts
- A bad control board
- Failed temperature sensor
- A miscalibrated thermostat
- Wiring fault to the sensor
Known Randell walk-in cooler weak points
- Clogged condensate drains causing water pooling inside the cabinet
- Cracked or worn door gaskets losing seal and forcing compressor overwork
- Dirty condenser coils causing short-cycling and poor temperature hold
- Condenser or evaporator fan motor failure leaving product too warm
Quick check — and when it's not DIY
There's one thing worth checking before you book anyone: confirm the temperature setting itself, and give the unit 24 hours after any adjustment before assuming it's broken. When that isn't the fix, if the setting's right and it still misreads, the sensor or board needs testing with a meter, and a wrong guess here means paying for a part that wasn't the problem.
How we fix it
An experienced tech tests the Randell walk-in cooler systematically and pinpoints what's actually causing the thermostat issue. Randell/Unified Brands OEM parts are widely available through PartsTown and foodservice distributors, though sealed-system refrigerant repairs require an experienced technician. The quote is flat, approved before we start, and every repair carries our warranty.
independent commercial service — experienced with Randell refrigeration and prep tables, not authorized by the manufacturer
What Middleburg homeowners say
on the First Coast
“Same-day response — a tech was diagnosing the Randell walk-in cooler hours after I called. The diagnostic fee came off the repair total, just like they promised.”
“The Randell walk-in cooler died mid-week and they had it sorted before I'd even rearranged my schedule. Fair price, no surprise fees, and the Randell walk-in cooler has worked perfectly since.”
“No waiting around — the Randell walk-in cooler was diagnosed within an hour of the tech arriving. The tech explained exactly what went wrong before touching anything.”
Frequently asked questions
Do you offer same-day service in Middleburg?
Same-day is common in Middleburg. Our trucks run the area every day and emergency slots are held open for breakdowns that can't wait.
What does the call-out cost?
The $149 diagnostic covers a full on-site inspection and is applied to your repair total. There are no hidden trip charges or surcharges on top of your quote.
What does a Randell walk-in cooler that is thermostat issue usually cost?
Expect $280–$1,300 for parts and labour on a Randell walk-in cooler that is thermostat issue. We charge a $149 diagnostic that comes off the repair total, and nothing begins until you approve a flat price.
Do you warranty your repairs?
You're covered by our 1-year labour warranty and 6-month parts warranty. Should the same fault return inside that period, the follow-up visit is free.
Get same-day service in Middleburg.
Flat-rate pricing, 1 year labour warranty, and fast dispatch.