Montpellier E03 fridge freezer: what it means & what to try

What E03 actually means

The fridge's control board has lost a sensible reading from one of the temperature sensors inside the cabinet, so it can no longer control the cooling properly.

Each compartment has a small temperature probe that tells the main board how cold it is. On the Montpellier fridge freezers this code appears on, E03 is logged when the board sees a reading from one of those probes that is outside any believable range — usually because the wire or plug at the board has come loose, or the probe itself has failed. The compressor and fans may keep running to a default pattern, but the compartment temperature is no longer being properly regulated.

What E03 looks like on a Montpellier fridge freezer

Most people find this page having searched for what the machine is doing rather than the code itself. On a Montpellier fridge freezer, E03 usually shows up as one or more of these:

Not heating the water
Washing coming out cold
Cycle takes far longer than it should
Not cooling
Freezer not freezing
Ice building up at the back
Food going off in the fridge
Running constantly and never getting cold

Recognise any of those? That is this fault, and the rest of this page explains what causes it and what you can check yourself.

What usually causes it

A loose or dirty plug where the sensor wire meets the main control board
The temperature probe itself has failed or gone open circuit
Damaged or chafed sensor wiring inside the cabinet
A faulty main control board misreading a perfectly good sensor

What you can safely check yourself

Work through these in order. Anything beyond this — panels off, testing parts, anything to do with the wiring — is an engineer's job, and not one to attempt with the machine plugged in.

Turn the appliance off at the socket for a minute, then back on — an occasional one-off reading will clear and not return
Check food isn't packed against the back wall or blocking the air vents, and that the doors are closing and sealing fully
Put a fridge thermometer in each compartment for a few hours so you know whether it is actually still holding temperature, or only showing the code

Which Montpellier models show E03

E03 means the same thing on all 2 of these models. If yours is not listed, the explanation above still applies — the code is set by the control board, not the model number.

CSBYS500BX · MIFF730FF

Common questions about Montpellier E03

What does E03 mean on a Montpellier fridge freezer?

The fridge's control board has lost a sensible reading from one of the temperature sensors inside the cabinet, so it can no longer control the cooling properly. Each compartment has a small temperature probe that tells the main board how cold it is. On the Montpellier fridge freezers this code appears on, E03 is logged when the board sees a reading from one of those probes that is outside any believable range — usually because the wire or plug at the board has come loose, or the probe itself has failed. The compressor and fans may keep running to a default pattern, but the compartment temperature is no longer being properly regulated.

Can I fix Montpellier E03 myself?

There are 3 checks you can safely do yourself first.

Turn the appliance off at the socket for a minute, then back on — an occasional one-off reading will clear and not return.
Check food isn't packed against the back wall or blocking the air vents, and that the doors are closing and sealing fully.
Put a fridge thermometer in each compartment for a few hours so you know whether it is actually still holding temperature, or only showing the code.

This one usually needs an engineer once you have tried them.

How much does it cost to repair Montpellier E03?

£66 including VAT for an engineer to come out and diagnose it, or £84 in total including VAT if it is put right on the visit and no parts are needed. Any parts needed are quoted on site before we fit them — you decide. Every repair carries a 90-day workmanship guarantee.

Tried the checks and it's still showing E03?

This one usually needs an engineer once you have tried the checks above. Then it wants someone who can open it up.

What it costs, before you call: the price is the same whatever the fault turns out to be — £66 including VAT for an engineer to come out and diagnose it, or £84 in total including VAT if it is put right on the visit and no parts are needed. Any parts needed are quoted on site before we fit them — you decide. Every repair carries a 90-day workmanship guarantee.

Our own engineers, not a call centre. We cover Nottinghamshire, Derbyshire and Leicestershire — most fridge freezer faults are seen same day or next day.

Call 0115 648 0929 Book online — postcode and number is all we need

Outside our area? The explanation above still stands — take it to a local engineer and tell them the code. Knowing it saves them time and you money.

Other Montpellier fridge freezer codes

All Montpellier fault codes and repairs →

What this looks like when it happens

Repairs we cover near you

Written by the engineers at ASAP Repairs, 0115 648 0929. We repair these machines for a living in Nottinghamshire, Derbyshire and Leicestershire.

Montpellier E03 error — fridge freezer