Sub-Zero EC05: the upper wine compartment sensor is not reading
EC05 names the upper cabinet thermistor, the probe the control relies on to decide when the upper section of the wine unit needs cooling.
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- Temperature sensors
- Wine cooler thermostat and sensor repair
- Source: Sub-Zero
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What EC05
actually means.
EC05 names the upper cabinet thermistor, the probe the control relies on to decide when the upper section of the wine unit needs cooling. Sub-Zero sets the code when that probe reads open or shorted for at least 10 seconds, or when its readings keep jumping around.
Sub-Zero wine cooler display · also shown as EC 05, EC5
What to do when EC05 shows on the wine coolerKind of codeTemperature sensors
The control has lost a believable reading from one of its thermistors: the probe in a zone, the one on the cold plate or coil, or on some models the one watching the room. With no trustworthy number, the cabinet either chills the bottles far below cellar temperature or lets a zone drift warm. A sensor sitting in frost, pinched behind a rack or unplugged during a move is ruled out before a new one is ordered.
Usually leads toWine cooler thermostat and sensor repair
Testing and replacing the thermostat or the temperature sensors that tell a wine cooler when to cool, when the cabinet runs too cold, too warm or back and forth.
Shows up asWine Cooler Error Code
A wine cooler error code appears as letters and digits on the display, a flashing temperature, dashes where a number should be or a blinking symbol, sometimes with an alarm tone and sometimes while the cabinet stays perfectly cool.
MakeSub-Zero
Sub-Zero wine coolers repaired in place, with the collection kept closed and dark until the visit.
SourceSub-Zero answer: Undercounter Wine (UW) error code EC 05
Undercounter Wine (UW) models and Classic (formerly Built-In, BW) wine storage, which show two-digit EC codes. Designer wine columns and Designer undercounter units report the same kind of problem with three-part codes instead.
Before you book,
in this order.
Each step comes from Sub-Zero's own guidance for EC05 on its wine coolers. Follow it to the end: the last card says whether this is a visit.
Put a thermometer in a glass of water on an upper rack and note the reading after an hour; this tells you whether the bottles are actually warming.
Switch the breaker for the unit off for 30 seconds, then back on, and watch whether EC05 returns.
If the code comes back, keep the door closed as much as possible and book a visit; note the model from the rating plate.
Still there?
It usually turns into wine cooler thermostat and sensor repair. Book with the code and the model number.
What not to do
EC05 does not mean the upper section is already warm; it means the control can no longer measure it. A real warm-up with a working sensor shows EC10 instead.
What you may
notice with it.
The wine cooler problems EC05 tends to arrive with. Answer these at the wine cooler before anyone is booked.
All problems
Where EC05 usually leads
Wine cooler thermostat and sensor repair.
Sub-Zero
wine coolers.
Sub-Zero wine coolers repaired in place, with the collection kept closed and dark until the visit.
Sub-Zero wine cooler repairMore Sub-Zero codes
All 15 Sub-Zero codesTemperature sensors on other makes
All 17 codes of this kind
Undercounter wine cooler
A wine cooler about the height of a base cabinet, built in under the counter of a kitchen, a bar or a butler's pantry, with a glass door, sliding racks and a vented toe grille at the floor.
Wine column
A full-height built-in wine cabinet, 18 to 30 inches wide, set flush into tall cabinetry or paired with a matching column, with a glass or panel door and dozens to well over a hundred bottles inside.
Dual-zone wine cooler
A wine cooler with two separately set compartments, upper and lower or side by side, so reds and whites or a storage zone and a serving zone each keep their own temperature.
In Sub-Zero's own words
Upper cabinet thermistor read open or shorted for 10 or more seconds, or repeatedly read erratic temperatures
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Undercounter Wine (UW) models and Classic (formerly Built-In, BW) wine storage, which show two-digit EC codes. Designer wine columns and Designer undercounter units report the same kind of problem with three-part codes instead.
Sub-Zero EC05 wine cooler repair,
where we come out.
The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.
All service areasTampa BayFL · 31 areas
Miami / South FloridaFL · 47 areas
New York MetroNY · 75 areas
HoustonTX · 36 areas
ChicagoIL · 50 areas
Los AngelesCA · 95 areas
San DiegoCA · 31 areas
Questions
about EC05.
Can I clear EC05 myself?
Can my Sub-Zero wine unit still hold temperature with EC05 showing?
Does EC05 affect the lower zone of a dual-zone Sub-Zero?
Is a breaker reset enough to clear EC05 for good?
Back to your everyday
Still showing EC05?
When you book, copy the code or the blink pattern as the display shows it, add the whole model number, and say whether the bottles still feel cool — a code gives the technician a head start.