U-Line Echelon 2000 Code E4: Compressor ran nonstop between defrosts

What E4 means

On U-Line Echelon 2000 refrigerators with the 2010 control, such as the 2175RF and the CLRCO2175, E4 records that the compressor had 100 percent runtime between two defrost cycles. It does not show on the display. It appears only in the error log, so you find it when a technician reads the log, not as a message on the panel.

Common causes of E4

A cabinet that never reached its set point between defrost cycles
A dirty condenser or restricted airflow around the unit
Door seals that leak warm air
A refrigeration system that cannot keep up

✓ One safe check you can try

1. Confirm the unit has ventilation space on every side it needs. 2. With the unit unplugged, brush or vacuum the front grille if it is dusty. 3. Check that the door and drawer seal all the way around. 4. Avoid loading a large amount of warm food at once. 5. If cooling stays weak, call us to read the log.

! Why to stop there

E4 is visible only through the error log
Reading the log needs the unit's diagnostic mode
Sealed system work needs a technician

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Refrigerator & Drawers codes

E5U-Line Echelon 2000 Code E5: Thermistor 1 reading 10 F above set point E5U-Line Origins 1000 Code E5: Temperature 10 degrees above set point for 6 hours E6U-Line Echelon 2000 Code E6: Thermistor 1 reading 10 F below set point E6U-Line Origins 1000 Code E6: Temperature 10 degrees below set point for 6 hours E7U-Line Echelon 2000 Code E7: Thermistor 2 open or shorted E8U-Line Echelon 2000 Code E8: Thermistor 3 open or shorted E9U-Line Echelon 2000 Code E9: Thermistor 4 (condenser) open or shorted ER (alternating with SP)U-Line Echelon 2000 Message "ER alternating with SP": error summary display

E4E4 questions

Where do I see E4?

You will not see it on the display. E4 lives in the error log, which we read through the control's diagnostic mode. Seeing it there tells us the compressor never rested between defrosts.

Does E4 mean the compressor is bad?

No. It means the compressor ran nonstop between defrosts. The cause can be a dirty condenser, leaking door seals or a weak refrigeration system, so we test each in order.

Should I clear the log?

Not before we read it. The log shows the history that points to the cause. After the repair we clear it so any new entry stands out.