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MANUAL DE INSTALACIÓN Y MANTENIMIENTO
MANUAL PARA A INSTALAÇÃO E A MANUTENÇÃO
INSTALLATION AND MAINTENANCE MANUAL
ИНСТРУКЦИЯ ПО МОНТАЖУ И ТЕХНИЧЕСКОМУ ОБСЛУЖИВАНИЮ
Fonderie SIME S.p.A.
Calderas murales de condensación
Caldeiras de parede de condensação
Condensing wall mounted boiler
Навесные конденсационные котлы
BRAVA SLIM HE
ES
PT
EN
RU
6322780 - 03/2014 - R0
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Do you have a question about the Brava Slim HE 25 and is the answer not in the manual?
Questions and answers
I have hot water but the heating has stopped working. i have checked both the transmitter and receiver and both seem to be working. The water pressure is good and no fault code is appearing on the boiler display
If the Sime Brava Slim HE 25 has hot water but the heating has stopped working without displaying fault codes, possible causes include:
1. Thermostat Issues – The room thermostat or external sensor might not be set correctly or could be faulty.
2. System Filling Unit – Check if the system pressure is too low, which could prevent heating operation.
3. Diverter Valve Stuck – The diverter valve may be stuck in domestic hot water mode, preventing heating circulation.
4. Pump Blockage – The system pump might be blocked or not functioning correctly.
5. Air in the System – Air trapped in the heating system could prevent circulation; bleeding the radiators and automatic bleed valve may help.
6. Settings Incorrect – The boiler settings might be configured incorrectly, especially if connected to a remote control or external sensor.
Checking these components and ensuring proper system pressure and thermostat settings can help diagnose and resolve the issue.
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