U-Line 5 Class Code E1: Thermistor 1 Open in the Error Log

What E1 (Class Series) means

The error log of the U-Line 5 Class wine cooler UHWC524 lists E1 for an open Thermistor 1. It appears in the cooler's error log along with the other sensor codes. The first temperature sensor is not completing its circuit, and the control cannot read it. On this platform the log shows the code, while doors are the readings you see clearly.

Common causes of E1 (Class Series)

Thermistor 1 has an open circuit
The sensor wiring has a break
The connector is not seating

✓ One safe check you can try

1. Turn the cooler off and wait about a minute before restarting. 2. Place a separate thermometer inside to compare readings. 3. Check that the cooler is not sitting against a wall. 4. Do not open the cabinet back. 5. Call us if E1 shows again.

! Why to stop there

The sensor and its wiring must be tested to tell them apart
A guessed replacement costs you money without a fix
We quote first in writing and back the work for 30 days

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.

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Other Wine Refrigerator codes

E9 (Class Series)U-Line 5 Class Wine Cooler Code E9: Door 2 (Lower) Open E6U-Line 1000/2000 Series Wine Cooler Code E6: Sensor 2 Reading Shorted E6 (Class Series)U-Line Class Series Code E6 (UHWC524, 2224DWR): Thermistor 2 Short E7U-Line UHWC524 Code E7: Thermistor 3 Shorted Entry Door Alert SymbolU-Line Wine Cooler Door Alert Symbol: Door Left Open Over 5 Minutes drU-Line Wine Cooler Code dr: Door Open More Than 5 Minutes E0U-Line 5 Class Wine Cooler Code E0: Door 1 (Upper) Open E1U-Line 1000/2000 Series Wine Cooler Code E1: Thermistor 1 Circuit Open

E1 (Class Series)E1 (Class Series) questions

Where do I find E1 on the UHWC524?

On the UHWC524, E1 is recorded in the error log as Thermistor 1 open, next to the other sensor entries.

How does E1 differ from E5 on this cooler?

E1 means Thermistor 1 is open. E5 means the same sensor reads shorted. Which one you have tells us the type of circuit problem.

Do I need to act on E1 right away?

Check the cabinet temperature. If bottles feel cool and steady, you can book the next available time. If the temperature drifts, call us sooner.