b'TROUBLESHOOTING EN7TROUBLESHOOTING7 .1Combustion performancesAfter carrying out commissioning, cleaning or maintenance, combustion parameters must be verified.Boiler has to maintain in operation at least 15 min. or reach a steady condition of operation, then check: pump pressure flue gas temperature CO2 (%) CO (ppm) NOx (ppm) Bacharach index.7 .2Fault diagnosis and repairIn the event of a malfunction, first check that the prerequisites for correct operation are fulfilled: is the system connected to the power supply? is there oil in the tank? are all shut-off valves open? are all control and safety devices, such as the boiler thermostat, low pressure device (if fitted), limit switch, etc. adjusted correctly?Warranty will be invalidated if genuine parts are not used on replacement. These components must be replaced by parts with the same order number.WARNINGTo reset the equipment control, after viewing the visual diagnosis, press the release button.WARNINGWARNINGIn case of burner lock out, to avoid damage to the installation, do not reset the burner more WARNING than twice in succession. DANGERIf the burner goes into lock out for the third time, contact manufacturers service organisation. DANGER In the case in which they occur further locks or malfunctionburner, interventions must be carried out by qualified and authorized personnel, following the information in this manual and in accordance with the rules and legal regulations.IMPORTANT INFORMATIONOnly use original spare parts.IMPORTANT INFORMATIONAfter each operation:- Under normal operating conditions (doors closed, coverfitted, etc.), check combustion and check the individual lines for leaks.- Record the results in the relevant documents.55/64'