U-Line Flashing degree symbol / snaking characters: showroom mode
On a U-Line Echelon 2000 refrigerator, a degree symbol that flashes or characters that snake across the display mean the unit is in showroom (demo) mode. The panel works, but the cooling system stays idle until you exit the mode.
What does U-Line refrigerator & drawers code Flashing degree symbol / snaking characters mean?
If the display of your U-Line Echelon 2000 refrigerator flashes a degree symbol or shows characters that seem to snake across the screen, the unit is in showroom (demo) mode. This affects refrigerators with the 2010 control, for example the 2175RF and the CLRCO2175. Nothing has broken. In demo mode the lights and the keypad work so a store can show them off, but the compressor and the fans stay idle and the cabinet slowly warms. Keeping COLDER pressed while you tap LIGHT three times ends the mode. Units with software 2.8 end it when power is removed and restored.
Flashing degree symbol / snaking characters at a glance
- Code
- Flashing degree symbol / snaking characters
- Appliance
- U-Line refrigerator & drawers
- Applies to
- U-Line Echelon 2000 refrigerators, 2010 control
- Type
- Normal status, not a failure
- Can you clear it yourself?
- Yes, it is a normal message or setting
- Most likely cause
- Showroom mode was switched on from the keypad
What you may notice with Flashing degree symbol / snaking characters
- The display flashes a degree symbol or snaking characters instead of a temperature.
- The cabinet lights come on when you open the door.
- You hear no compressor or fan running.
- Food inside gradually warms toward room temperature.
How the refrigerator & drawers detects Flashing degree symbol / snaking characters
The 2010 control on these refrigerators has a demonstration setting built in so a store can show off the panel and the lights. When that setting is on, the control deliberately keeps the cooling system switched off. It lights the cabinet and drives the display, but it never calls for the compressor or the fans. The flashing degree symbol, or the characters that seem to snake across the readout, are how the control tells you it is in that state rather than running normally.
Because the control is doing exactly what it was set to do, no sensor is reporting a problem. It simply is not asking for cold. On software 2.8 the mode is not stored across a power loss, which is why unplugging the unit ends it there. On other units the keypad sequence of COLDER and LIGHT switches the mode off.
Why Flashing degree symbol / snaking characters appears
- Showroom mode was switched on from the keypad
- A key sequence on the panel put the control into demo
- The unit came from a store display floor with the mode still set
Can you keep using the refrigerator & drawers with Flashing degree symbol / snaking characters?
Do not rely on it for storage while the display shows this pattern, because the cabinet is not cooling. Exit the mode first with the keypad sequence, or by unplugging on software 2.8, then wait to confirm the cabinet gets cold. Keep perishables elsewhere until it does. Check the temperature with a refrigerator thermometer rather than guessing by touch, and follow the USDA and FDA guidance on how long food can stay above safe temperatures.
What you can safely check
- Stop worrying about the cabinet for a moment and first confirm the unit is plugged in and the door is closed; nothing needs to be opened or taken apart.
- Look at the cabinet: lights and display are on, but the inside is warm and nothing hums.
- Keep COLDER pressed and tap LIGHT three times.
- The display should stop flashing and the normal readout should return.
- If your unit has software 2.8, unplug it for a moment and plug it back in instead.
- Call us if the flashing symbol stays after both methods, or if the cabinet does not start cooling once the display is normal.
What our technician does for Flashing degree symbol / snaking characters
- Confirm showroom mode is the reason the compressor and fans are idle
- Exit the mode from the keypad or by power cycling, depending on the software
- Test the keypad and control if the display will not leave the demo pattern
How to keep Flashing degree symbol / snaking characters from coming back
- Press COLDER and LIGHT only when you mean to, and do not lean on the panel while cleaning it.
- After moving a unit from a showroom or storage, check the display before loading it with food.
- Keep a small thermometer inside so a warm cabinet shows up quickly.
Technical reference
- Code
- Flashing degree symbol / snaking characters
- Appliance
- U-Line refrigerator & drawers
- Control family
- U-Line Echelon 2000 refrigerators, 2010 control
- Maker documentation
- U-Line owner manuals and support
- Checked
- November 2026
Code meanings come from the maker’s documentation and our own repair work; we do not reprint the maker’s document. Confirm the full model number before acting on a code. We are an independent repair company, not affiliated with U-Line Corporation.
U-Line models that can show Flashing degree symbol / snaking characters
Models named for this code in U-Line documentation that have a page here. Check the full model number on the rating label before you act on a code.
Related U-Line refrigerator & drawers error codes
Flashing degree symbol / snaking characters questions
Why is my U-Line lit up but warm inside?
In showroom mode the panel and cabinet lights run, yet the compressor and fans stay off. The cabinet drifts toward room temperature even though everything looks powered. Leaving the mode starts cooling again.
How do I exit showroom mode on an Echelon 2000?
Keep COLDER pressed and tap LIGHT three times. If the refrigerator runs software 2.8, unplugging it and plugging it back in ends the mode. Cooling resumes once the display returns to normal.
What should I do if the display keeps flashing?
If the pattern remains after you try the key method and a power cycle, the control may need testing. Tell us the model, such as the 2175RF, and what the display shows.
Does showroom mode clear by itself?
No. The control stays in demo mode until you exit it with the keys or, on software 2.8, by unplugging the unit. Waiting will not start cooling, so the cabinet keeps warming in the meantime.
Is showroom mode the same as a failed compressor?
No. In showroom mode the compressor is simply told not to run. A failed compressor leaves the unit in normal mode with a warm cabinet. The flashing display is what tells the two situations apart.
Something else going on with your refrigerator & drawers?
A technician finds the cause at your bar or lanai and puts the price in writing before any part comes out.