CEME Pressure Sensor For Fagor FE 24 NOx Ref. AS0003115

Pressure sensor CEME SpA, code 5240BB00, for Fagor FE 24 NOX and FE20E/2 boilers. It measures the circuit pressure between 0 and 4 bar (type PE) and provides an output signal of 0.5 to 3.5 Vdc proportional to the pressure, with a supply voltage of 8 to 30 Vdc. The replacement requires first confirming the fault of the component through technical diagnosis, even when the boiler locks due to incorrect pressure reading or fails to detect pressure.

Type of part: Pressure sensors
Status: Refurbished
Catalogue reference: AS0003115
Warranty: 1 year

VAT included Stock · 2 units

Compatibility

Fagor boilers compatible with reference AS0003115

Pressure sensor with reference AS0003115. Two confirmed compatibilities: FE 24 NOX and FEE 24 NOX.

Proven compatibility

Boiler model	Family	Verification
Fagor FE 24 NOx	Fagor	Contrasted
Fagor FEE 24 NOx	Fagor	Contrasted

Can't see your model or have questions? The printed reference takes precedence. How to check it · Send us a photo via WhatsApp.

Guide

How to check if ref. AS0003115 is the part for your boiler

The part reference, model, and equipment revision must be verified against the manufacturer's documentation.

Find the reference printed on the installed part and check whether it matches the catalogue reference AS0003115. If it is not visible, do not identify the part from its shape alone.
Check the full boiler model on its data plate and look for it in the model associations on this page.
Compare the connections and physical body with the original part before installation.
If anything is unclear, send us a photo of the marking via WhatsApp before placing your order.

Diagnosis and fault codes

Symptoms that require diagnosis in the pressure switch AS0003115

The pressure sensor measures the water pressure for the electronics. These are the typical symptoms and what to do:

Common symptoms and faults

01
The boiler is locking out and displaying a water pressure fault.
Cause: The sensor does not send the correct signal to the PCB, which interprets that there is not enough pressure.
Check the manometer and refill the circuit if the pressure is low; if the pressure is correct and the fault persists, the problem may be the sensor.
02
The display indicates a pressure fault even though the pressure gauge is within its normal range.
Cause: The electronic sensor shows a reading different from the actual pressure because its output signal has deviated.
Compare the pressure on the display with that of the analog manometer of the same unit before discarding the sensor.
03
The boiler does not start despite there seeming to be enough water pressure.
Cause: The control unit relies on the signal from the sensor and not on what the manometer shows, so a fault in the sensor prevents the start-up.
Check the cables and the connector of the sensor for any loose or oxidized contacts that may interrupt the signal before replacing it.
04
The pressure reading on the display fluctuates, drops to zero, or blinks without apparent reason.
Cause: An unstable output signal from the sensor arrives irregularly at the PCB.
With the boiler on, carefully move the wiring of the sensor to see if the reading changes when you touch it; this would indicate a loose wire or connector.

Fagor fault codes that require diagnosis

Code	Fault	Technical checks
F3	Heating circuit pressure out of range (low or high).	This symptom may be related to the part, but it does not confirm that it is faulty. A technician must check the equipment and its inspection according to the manual before deciding on a repair or replacement.

These symptoms can have more than one cause. If your boiler displays a fault code, send it to us via WhatsApp along with a photo of the labeling, and we'll tell you if this is the part.

Technical data

Data sheet for Fagor pressure sensor AS0003115

Catalogue reference: AS0003115
Uniclima internal SKU: CPFE24N
Brand: Fagor
Type of part: Pressure sensors
Units in stock: 2 units
Status: Refurbished
Warranty: 1 year
Shipping: Delivery time shown at checkout
Return: 14 days

Part data and available documentation

Contrast the label codes, PCB, and revision with the installed part; they are not necessarily equivalent references.

Manufacturer: CEME SpA
Code: 5240BB00
Pressure range: 0-4 bar
Type: PE
Output: 0.5-3.5 Vdc
Power Supply (IN): 8-30 Vdc
Maximum pressure: MAX 8 bar
Printed date (possible manufacturing date): 23/10/12

Frequently Asked Questions

Frequently asked questions about the pressure sensor AS0003115

Who manufactures the pressure switch CEME Ref. AS0003115 for the Fagor FE 24 NOX?

It is manufactured by CEME SpA, as stated on the part's label, with the code 5240BB00.

What pressure range does the CEME pressure sensor measure for the Fagor FE 24 NOX?

It measures from 0 to 4 bar (type PE), with a maximum allowable pressure of 8 bar.

What fault of the Fagor FE 24 NOX indicates that the pressure switch CEME needs to be replaced?

It should be checked when the boiler locks due to incorrect pressure reading or does not detect pressure. Replacement requires a technical diagnosis.

What output signal does the CEME 5240BB00 sensor mounted on the Fagor FE 24 NOX provide?

An analog signal of 0.5 to 3.5 Vdc proportional to the pressure, with a power supply of 8 to 30 Vdc.

How many boiler models are compatible with the pressure sensor Ref. AS0003115?

There are 2 compatible models: Fagor FE 24 NOX and Fagor FEE 24 NOX.

What is the reference for the pressure switch for the Fagor FE 24 NOX?

CPFE24N is Uniclima’s internal SKU for locating this listing. To confirm compatibility, check the manufacturer’s reference and the exact appliance model.

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CEME Pressure Sensor For Fagor FE 24 NOx Ref. AS0003115