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A thin temperature probe lead taped along the side of a wooden wine rack in a cellar, its small metal tip hanging among unlabeled bottles, the wire running up toward the cooling unit's grille.

Wine-Mate P1: the temperature probe is not reading

P1 means the probe that tells the controller how warm the cellar is has stopped reading properly.

(844) 398-5977

Mon–Sat, 8am–8pm

  • Sensors and probes
  • Cellar controller and sensor repair
  • Source: Wine-Mate

Book a visit

Three short steps, about a minute.

or call (844) 398-5977

What P1
actually means.

P1 means the probe that tells the controller how warm the cellar is has stopped reading properly. Rather than stop, the controller cycles the compressor on a timer set by its Con and CoF parameters (15 minutes on and 30 off by default in the HZD and SSD manuals), and the alarm clears a few seconds after the probe reads normally again.

Wine-Mate wine cellar cooling unit display

What to do when P1 shows on the wine cellar cooling unit

Kind of codeSensors and probes

The controller has lost a sensible reading from one of its probes: the one sampling the cellar air, the one on the evaporator coil, or on a remote probe the lead that runs out to a rack. With no number it can trust, the unit may chill the room well below 55°F, stop and start every few minutes, or run on without end. A probe unplugged during a rack install, pinched behind a board or sitting in a draft from the door is ruled out before a new one is ordered.

Usually leads toCellar controller and sensor repair

Getting the controller, its display and its probes to read the cellar truthfully and call for cooling at the right time.

Shows up asCellar Cooling Unit Error Code

A cellar cooling unit error code appears as letters or digits on the controller, a flashing reading, a blinking light on the unit, or an alarm tone, sometimes while the cellar still holds its temperature.

MakeWine-Mate

Wine-Mate cooling units repaired on site when they will not start, ice over, trip a breaker or leave the walls wet.

SourceWine-Mate HZD self-contained cooling system manual

Current Wine-Mate five-button controller, as printed in the HZD, HZD-DE, 4510-series HZD, HTD, low-profile and SSH, SSD and SSO split-system manuals. Wi-Fi touchscreen and SMART controllers print no display codes.

Before you book,
in this order.

Each step comes from Wine-Mate's own guidance for P1 on its wine cellar cooling units. Follow it to the end: the last card says whether this is a visit.

01

Check the cellar with a separate thermometer, since on the timer the room can drift away from your setpoint.

02

Wine-Mate asks for the probe connections to be checked before the probe is replaced; with the power off, look for a loose plug or a damaged cord you can reach safely.

03

If a bottle probe is fitted, make sure it is still in its bottle and not pinched in a door or rack.

04

If P1 stays, book a visit to test the probe and the controller input.

Still there?

It usually turns into cellar controller and sensor repair. Book with the code and the model number.

What not to do

P1 does not mean the cellar is out of temperature; that is what HA and LA report. It does not stop cooling either, because the timer keeps the compressor cycling.

What you may
notice with it.

The wine cellar cooling unit problems P1 tends to arrive with. Answer these at the wine cellar cooling unit before anyone is booked.

All problems

Before you call

Cellar Cooling Unit Error Code

All 8 causes, cheapest first

It also comes with

The small controller panel on the cellar side of a through-the-wall cooling unit, its display glowing with abstract amber segments beside the slotted supply grille, the top row of a wooden wine rack with unlabeled bottles just below. Problem

Cellar Cooling Unit Error Code

8 causes, cheapest first

Where P1 usually leads

Cellar controller and sensor repair.

Air or coil probe, display, transformer or control board · moderate.
Book a visit What the job involves

Wine-Mate
wine cellar cooling units.

Wine-Mate cooling units repaired on site when they will not start, ice over, trip a breaker or leave the walls wet.

Wine-Mate wine cellar cooling unit repair

More Wine-Mate codes

HALACAHILOdFPOF

Sensors and probes on other makes

Breezaire ErCellarCool E1CellarPro P1WhisperKOOL E1Wine Guardian !3
All 12 codes of this kind
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-Mate builds this

Through-the-wall cellar cooling unit

A self-contained box set into an opening in the cellar wall: its cold face blows into the wine room, and its warm face breathes out into the room next door.

 A wine cellar in a US home seen from inside, a white rectangular supply grille for its cooling unit set in the wood-paneled ceiling above tall dark racks of wine bottles, a matching return grille low on the far wall, soft even lighting. Wine-Mate builds this

Ducted cellar cooling unit

A self-contained cooling unit placed outside the cellar, in a mechanical room, attic or basement, that sends chilled air in and takes return air back through insulated ducts.

 A slim white split-system wine cellar evaporator unit mounted high on a plastered wall of a US home wine cellar above curved wooden racks of wine bottles without labels, insulated copper lines entering the wall beside it, warm low lighting. Wine-Mate builds this

Split-system cellar cooling

An evaporator inside or beside the cellar and a condensing unit outside or in another room, joined by an insulated copper line set and charged on site.

In Wine-Mate's own words

P1 Temperature probe faulty Compressor switching to Con and CoF
Wine-Mate HZD self-contained cooling system manual Wine-Mate HZD self-contained cooling system manual Wine-Mate HZD self-contained cooling system manual

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Current Wine-Mate five-button controller, as printed in the HZD, HZD-DE, 4510-series HZD, HTD, low-profile and SSH, SSD and SSO split-system manuals. Wi-Fi touchscreen and SMART controllers print no display codes.

Wine-Mate P1 wine cellar cooling unit 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 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 P1.

Can I clear P1 myself?
Check the cellar with a separate thermometer, since on the timer the room can drift away from your setpoint. If it comes back, it needs a visit.
Is my Wine-Mate still cooling with P1 on the display?
Yes, on a fixed schedule rather than by temperature. Whether that holds the room near 55°F depends on the season and the load, so keep an eye on a separate thermometer.
Why does P1 come and go on my Wine-Mate?
The alarm starts a few seconds after the probe misreads and clears a few seconds after it recovers. A pattern of on and off points toward a connection that makes and breaks rather than a probe that has died.
Can I change the timer a Wine-Mate uses during P1?
The on and off times are the Con and CoF parameters in the settings menu. Change them only to keep the room steady until the probe is repaired, and write down the original values first.

Back to your everyday

Still showing P1?

When you book, type the code or the blink count as the controller shows it, add the full model number, and say what the thermometer in the cellar reads now — that gives the technician a head start.

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