If so call factory for troubleshooting. Not only can this damage your boiler, it can also be dangerous so its not something you can ignore. We changed also the nozzle with new one, with out any succes also. But the system was not fixed. This leads to diminished cooling water flow in contact with the tube, which in turn causes local under-deposit boiling and concentration of boiler water chemicals. If you do experience technical difficulties with the appliance and need to arrange repairs, its important to be aware that commercial boiler hire services are available to provide you with an alternative to help keep your business functioning in the meantime. This may seem unlikely if your boiler has recently been refilled, but low oil could be responsible for a sudden inability to start your main flame. These pumps can be tested using a variety of diagnostic equipment. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Flame failure can also be caused by a malfunctioning igniter or air detector. Symptoms: Failure is preceded by little or no warning of tube degradation. Please enter the name by which you would like to log-in and be known on this site. Have you ever repaired a boiler tube leak, put the unit back into service, only to be forced offline by another leak? Alarm (shuts down system if no gas, no flame or no blower) Upon flipping the electric switch, the Operate Ctrl and Air Flow LEDs lit up immediately; after about 8-10 seconds, the PTFI sparked, and almost immediately, the Flame LED lit up; and a moment later, the PTFI LED turned off. Causes: Short-term overheat failures are most common during boiler start-up. Ideal Heat Solutions Ltd. 2023. Symptoms: Intergranular micro-cracking. The fuel pump might trip on overload. Tube metal temperatures reach combustion gas temperatures of 1600F (870C) or greater which lead to tube failure. Consider having your burner fit with a linkage-free control system, which may solve your problem and lead to fewer future issuesand significant gas savings. Motor insulation testers will show motor problems before they occur. But what really happens when your boiler starts to malfunction? Solutions: Reduce the ramp rates during start-up and shut-down to reduce the thermal stresses. More generalized oxidation of tubes during idle periods is sometimes referred to as out-of-service corrosion.
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