- Boilers
- Gas boiler
E19
Baxi E19 on a gas boiler: fault while filling the circuit
Risk level
Medium
Proceed carefully and stop if the check is unclear.
Urgency
Medium
Quick answer
Baxi E19 flags a fault during the filling phase of the heating circuit on the Platinum Compact ECO. The user manual allows one reset with the key held for 2 seconds or more. If 19 returns, stop and call an authorised technician.
Safety first
Stop and check this first
- If you smell gas near the boiler: switch it off, leave switches and sockets alone, put out any flame, open the windows, shut the gas valve if you can do so safely and leave the home. From outside, call your gas distributor's emergency line or 112.
- The manual mentions several resets in a row, but your limit is one. If 19 comes back, leave the boiler as it is and tell an authorised technician.
- Do not open the casing or touch the water circuit beyond the filling tap the manual describes: the rest is a professional's job.
Safe checks you can perform
- Read the pressure on the gauge
- Tell code 19 apart from 18
- Confirm power and the gas tap
- Make one reset with the key
Leave these tasks to a qualified professional
- Do not attempt this professional task: Review pressure, filling and leaks in the circuit
- Do not attempt this professional task: Test the pressure switch and board if 19 persists
What a technician must be able to justify
Technician visit
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Review pressure, filling and leaks in the circuit
What they doAn authorised technician checks the system pressure, the filling process and any water losses, using the means Baxi specifies.
They must show youthe pressure reading before and after the review and where they looked for leaks.
In writingthe final measured pressure and the outcome of the leak search.
Test the pressure switch and board if 19 persists
What they doIf 19 stays with correct pressure, the technician tests the hydraulic pressure switch and the electronics before suggesting any replacement.
They must show youthe test result that justifies each part they propose to replace.
In writingthe parts fitted, their references and the repair warranty.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Follow these steps
Note: Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
Read the pressure on the gauge
- Who:
- you, no tools.
- How:
- With the system cold, look at gauge B on the boiler, the one the manual uses in its filling section. Touch nothing else. The manual writes decimals with a comma.
- Result that matters:
- The manual asks for between 1 and 1,5 bar when cold; outside that range, code 19 has an obvious explanation.
- If the needle sits inside that range, do not add water and move on to the next check.
- If it is below, you may slowly open filling tap A as the manual describes until the range is reached, and close it afterwards; if you cannot find it or the pressure drops again, stop and call the technician.
- Evidence to keep:
- A photo of the gauge with the needle visible, before and after topping up.
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
Tell code 19 apart from 18
- Who:
- you, no tools.
- How:
- See whether the display shows 18 instead of 19: the manual describes 18 as automatic filling of the hydraulic circuit in progress.
- Result that matters:
- Code 18 means wait for the filling cycle to finish; code 19 is a different fault.
- If you see 18, wait and press nothing until it ends.
- If you see a steady 19, carry on with the remaining checks.
- Evidence to keep:
- The time and the code exactly as the display shows them.
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
Confirm power and the gas tap
- Who:
- you, no tools.
- How:
- Check the boiler has mains power and that the yellow gas tap, usually below the boiler, is open, as the manual asks at start-up.
- Result that matters:
- With both in order you rule a supply problem out as the origin of the alert.
- If everything is in place, go on to the single reset.
- If power is off or the tap is shut, put it right only if that is obvious and safe; if you smell gas, do nothing else and follow the emergency warning.
- Evidence to keep:
- A short note of what you found (power on or off, tap open or shut).
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
Make one reset with the key
- Who:
- you, once only.
- How:
- Press the off and reset key for at least 2 seconds, as the row for 19 says. Do not repeat the press.
- Result that matters:
- The code clears or comes back.
- If it clears, note the date and watch whether it returns.
- If it returns, that attempt is the most you should try:
- do not repeat it and call an authorised technician.
- Evidence to keep:
- A photo of the display with the code after the attempt.
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
Still not solved
If the error persists, stop here. See what the technician must do and show you.
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- Boilers
- Brand
- Baxi
- Product type
- Gas boiler
Known code variants
- 19
- aerotermia Viessmann E19
- Balay dishwasher E19
- Balay E19
- Baxi 19
- Baxi boiler E19
- Baxi code 19
- Baxi E 19
- Baxi E19
- Bosch dishwasher E19
- Bosch E19
- Bosch E19 error
- Bosch E19 lavavajillas
- Bosch Geschirrspüler Fehler E19
- code erreur E19 lave-vaisselle Bosch
- code erreur E19 lave-vaisselle Siemens
- codice E19 Siemens
- código E19 Bosch
- código E19 Siemens
- E19
- E19 Bosch dishwasher
- E19 lavavajillas Balay
- E19 Siemens dishwasher
- E:19
- erreur E19 Bosch
- erreur E19 Siemens
- Error 19 Baxi
- Error E19 Balay
- error E19 lavavajillas Bosch
- error E19 lavavajillas Siemens
- errore E19 lavastoviglie Siemens
- F19
- F:19
- Fehlercode E19 Bosch
- Fehlercode E19 Siemens
- Platinum Compact ECO 19
- Platinum Compact ECO E19
- Siemens dishwasher E19
- Siemens E19
- Siemens Geschirrspüler Fehler E19
- Viessmann air to water E19
- Viessmann bomba de calor E19
- Viessmann E19
- Viessmann heat pump E19
- Viessmann Vitocal 100-AW E19
- Vitocal 100-AW AM2V E19
- Vitocal backup heater E19
- Vitocal E19
- Vitocal electric heating overload
- Vitocal resistencia eléctrica E19
What it means
The user manual for the Platinum Compact ECO (published in Spanish only) lists row 19 as a fault during the system filling phase and gives one action: press the reset key for at least 2 seconds. The neighbouring row, 18, is automatic filling in progress, where you simply wait for the cycle to end. The code only says the filling phase had a problem. It does not prove a particular part is faulty, and the manual does not explain the cause.
Warnings and stop conditions
- Higheditorial warning
If you smell gas near the boiler: switch it off, leave switches and sockets alone, put out any flame, open the windows, shut the gas valve if you can do so safely and leave the home. From outside, call your gas distributor's emergency line or 112.
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
- Mediumeditorial warning
The manual mentions several resets in a row, but your limit is one. If 19 comes back, leave the boiler as it is and tell an authorised technician.
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
- Mediumeditorial warning
Do not open the casing or touch the water circuit beyond the filling tap the manual describes: the rest is a professional's job.
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
Symptoms and causes
Probable causes · in order
- Circuit pressure outside the stated valuePossible
Code 19 appears in the filling phase, so the first thing to read is whether the gauge, with the system cold, reaches the value the user manual asks for.
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
- Pressure that keeps dropping in the systemPossible
If the pressure falls again and again, the manual says to go to the authorised technical service: a leak may exist that only a professional can trace.
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
- Lack of water seen by the hydraulic pressure switchPossible
The boiler has a hydraulic pressure switch that stops operation when water is missing, so too little water in the circuit can sit behind a filling fault.
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
- A fault in the automatic filling system itselfLess common
The manual does not say which element fails with 19. A problem in automatic filling or the board can only be confirmed by a technician with tests, not by the code.
Evidence: Baxi Platinum Compact ECO, instrucciones de funcionamiento y mantenimiento para el usuario
Virtual technician
Does E19 still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
Sources and technical references
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