The short answer
A freezer control that shows nothing, alarms constantly, or has stopped responding is usually reporting a door, a sensor or a power event — and on a cabinet in a garage, power events are common. On a Criterion a power interruption leaving the control latched comes first, because these units are frequently owner-installed in a closet, a garage or a basement corner, so what feeds the machine is as suspect as the machine. Power cycling, alarm causes and door switches are owner work; sensors and boards are not.
What the machine is doing
- The setting will not change or does not hold — A latched control or a stuck button.
- It lights up and never runs at all — A demonstration mode or a control that is not calling for cooling.
- The temperature alarm sounds and will not clear — The cabinet is warmer than its set point, or a sensor says it is.
- NEAR MISS — An alarm after a big restock — Normal: a load of warm food raises the cabinet temperature until it pulls back down.
The causes and their order
- A power interruption leaving the control latched — First on this brand: these units are frequently owner-installed in a closet, a garage or a basement corner, so what feeds the machine is as suspect as the machine. Garages and outbuildings are on circuits that trip, and an interruption often leaves the control in an alarm state that outlives the event.
- An alarm that is telling the truth — Second: A door left ajar, a big warm restock or a hot day will all push a cabinet above its set point, and the alarm is doing its job rather than failing.
- A door or lid switch stuck — Third: The switch drives the light, the fan and the door alarm; stuck, it produces a permanent alarm or an interior light that never goes out.
- A temperature sensor out of range — Fourth, and the last to suspect: A sensor reading impossibly warm produces a permanent alarm with a perfectly cold cabinet; one reading impossibly cold stops the cooling. There is very little board in these machines, so a control failure is the last thing to suspect, not the first.
Where to start and what follows
- Unplug the cabinet for a few minutes and restore power — A control that then behaves normally was latched rather than damaged. It goes first because it is the cheapest thing to rule out and it decides which half of this list you are in.
- Put a thermometer in the cabinet and compare it with the alarm — If the cabinet really is warm, the alarm is correct and the fault is elsewhere.
- Press the switch by hand and watch the light — A light that ignores the switch is a direct finding and takes seconds to establish.
What an owner can safely check
- Unplug for several minutes, restore power and allow the compressor delay to expire — Most controls hold the compressor off for a few minutes after a restart; that is normal.
About 15 min
- Close the lid properly, stop opening it, and give the cabinet several hours to recover — Do not add more warm food while it is recovering; that is what caused it in most cases.
Tools: thermometerAbout 20 min
- Stop here if the next move needs a meter on live terminals — That is where an owner check ends and a service call begins.
The hazards on this appliance
Safety
Unplug the appliance or switch off its breaker before removing any panel. A capacitor can hold a charge after the power is off. Refrigerant is licensed work: oil or a hiss at the compressor means stop and call, and two people move a cabinet this size.
When to call a technician
Call once the thermometer confirms whether the cabinet is genuinely warm, the control has been power cycled and the door switch is proven — sensor and board work needs a meter. One line to keep in mind while you wait: A freezer holds food safely at 0 °F (−18 °C) or below.
The same machine, other symptoms
How specific this page is
This page covers Criterion freezers as a class, not one family or model line. No family- or model-specific page exists beneath it yet; when one is published it will be linked here and it will outrank this page for a named model. Deliberately not here: wiring colours, resistance values, torque figures and part numbers, which differ between families.
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
