WineCellarRepair.center (844) 398-5977Mon–Sat, 8am–8pm Book a visit
A wine cellar cooling unit set into the upper part of a stone wall in a US home wine cellar, its cellar-side grille flush with the wall above dark wood racks full of wine bottles, cool soft lighting.

Wine Guardian
Wine Cellar Cooling Repair

Wine Guardian systems examined at the cellar, the ductwork and the equipment space when the air stops holding its temperature or its moisture.

(844) 398-5977

Mon–Sat, 8am–8pm

  • 4 wine cellar cooling unit types
  • 7 problems we see
  • 9 error codes

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Wine Guardian wine cellar cooling units,
specifically.

Wine Guardian builds through-the-wall units, ducted self-contained units, ducted and ductless split systems and a ceiling-mounted evaporator, most of them run from a remote interface wired back to the unit's board. Its alarms arrive as an exclamation mark with a number or as a flashing reading, so we start by reading the screen, then follow the air, the drain and the cable.

The Wine Guardian lineup

Builds4 wine cellar cooling unit types

Through-the-wall cellar cooling unit · Ducted cellar cooling unit · Split-system cellar cooling · Ceiling-mounted cellar cooling

Called out forWine Cellar Too Warm

and 6 more problems on Wine Guardian

Repairs we do10 repairs, on any make

Wine cellar cooling diagnostic visit · Cellar compressor and sealed system repair · Cellar cooling leak search and recharge · Cellar evaporator and condenser fan repair

Error codes!1 · !2 · !3 · !4 · Flashing temperature with (!)

9 Wine Guardian codes with a page of their own

The Wine Guardian
lineup.

Wine Guardian builds 4 of the 4 wine cellar cooling unit types this site covers. Which one decides how the visit is planned.

All wine cellar cooling unit types
Through-the-wall

Through-the-wall cellar cooling unit

4 of the problems we see on Wine Guardian come up on it Through-the-wall cellar cooling unit repair Ducted

Ducted cellar cooling unit

3 of the problems we see on Wine Guardian come up on it Ducted cellar cooling unit repair Split system

Split-system cellar cooling

4 of the problems we see on Wine Guardian come up on it Split-system cellar cooling repair Ceiling-mounted

Ceiling-mounted cellar cooling

3 of the problems we see on Wine Guardian come up on it Ceiling-mounted cellar cooling repair

What is particular
to Wine Guardian.

We see Wine Guardian through-the-wall TTW units, ducted D-series and water-cooled WC models, ducted split DS and WGS systems, ductless split and ceiling-mounted CS models, and the newer Sentinel and Pro series. The model on the rating plate decides where the reset switch sits and which manual applies.

Exclamation-mark alarm codes

The remote interface reports four numbered alarms, !1 to !4, beside flashing temperature and humidity readings. Two of them (!1 and !2) stop the whole system, while !3 and !4 let it keep cooling, and that split tells us how quickly the cellar is losing ground.

A pressure switch you reset by hand

Every Wine Guardian carries a high-pressure switch with a red reset button that stays tripped until someone presses it. Pressing it without clearing the reason, usually a dusty filter or a blocked duct or grille, only buys a few hours.

A remote interface on a long cable

The controller usually sits in the cellar or a hallway on a 4-wire RJ9 cable, and the board powers it through that cable. Dashes on the screen or a !4 alarm send us to the cable, the plug receptacle and the board connector before any sealed-system test.

Air-cooled and water-cooled ducted units

Beside the usual air-cooled models, Wine Guardian sells ducted units that reject heat to a water loop through a regulating valve. On those, a warm cellar can start with the water supply or a valve full of sediment rather than the refrigeration circuit.

Parts

Filters, sensors and remote interface cables are generally quick to source; compressors, coils and main control boards are matched to the model and serial number and can take longer to arrive.

Repair or replace

A Wine Guardian that trips on pressure or drain alarms is almost always worth repairing, since the usual causes are airflow, a filter or a drain line. A failed compressor on an older through-the-wall unit is the one case where we lay out repair and replacement side by side.

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What we are
called out for.

On Wine Guardian, most often wine cellar too warm.

All problems

Wine Guardian error codes

All Wine Guardian codes
A small stone-walled wine cellar with dark wooden racks full of unlabeled bottles lying on their sides, a through-the-wall cooling unit grille set high on the far wall and a round dial thermometer standing in a glass of water on a tasting shelf in front. The collection is exposed

Wine Cellar Too Warm

6 causes, cheapest first

 The cellar-side grille of a through-the-wall cooling unit high on a plastered wine cellar wall, a dark wet streak running down the plaster below it toward a wall outlet, wooden racks of unlabeled bottles along the side wall and a folded towel on the tile floor. The collection is exposed

Cellar Cooling Unit Leaking Water

6 causes, cheapest first

 A small analog hygrometer hanging on the end of a wooden wine rack in a cellar, its needle low on an dial, unlabeled bottles with dull dry-looking capsules lying in the rack beside it and a plastered wall behind.

Wine Cellar Humidity Too Low

4 causes, cheapest first

 A slim wall-mounted cellar cooling controller on a stone wine cellar wall, its screen dark and blank, a thin gray cable running from it along the edge of a wooden rack of unlabeled bottles.

Cellar Cooling Controller Display Blank

4 causes, cheapest first

Not a
Wine Guardian?

Wine Guardian is one of 7 wine cellar cooling unit makes on this site. The other 6 each have a page of their own.

All 7 brands

Wine Guardian wine cellar cooling unit repair,
where we come out.

9 metros, each with its own page.

All service areas

Tampa BayFL · 31 areas

OrlandoFL · 30 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

San Francisco Bay AreaCA · 74 areas

A couple lifting a bottle from a lit stone-walled wine cellar, the cooling unit's grille high on the far wall
For the heart of your home.

Questions about
Wine Guardian wine cellar cooling units.

What does !1 mean on a Wine Guardian remote?
It means the high-pressure switch has shut the system down. The switch has to be reset by hand after the airflow problem that tripped it, usually a clogged condenser filter or a blocked duct, is cleared.
Why does my Wine Guardian remote show dashes instead of a temperature?
Dashes mean the remote interface has lost contact with the control board inside the unit. A wireless remote may simply be too far away; a wired one points at the cable, its connectors or the power the board sends up the cable.
Can a Wine Guardian hold humidity in the cellar?
The remote always displays relative humidity, but the system only raises it when a Wine Guardian humidifier is connected. Without one, the reading is information only, and a dry cellar needs a humidifier or a look at how long the fan runs.
How often should the filter on a Wine Guardian be cleaned?
Wine Guardian ties it to how dusty the room is, and its maintenance schedule has you check the filter monthly or quarterly. The filter is reusable and washes under warm water.

Back to your everyday

Book your Wine Guardian visit.

Have the wine cellar cooling unit's model number ready — on Wine Guardian it decides which parts come on the first visit.

Schedule a repair Call (844) 398-5977
(844) 398-5977 Schedule a repair