Pressure switch. The fuel pressure switch on the boiler has failed. What is an abnormal fire?

Greetings! Today our fuel pressure sensor on the boiler failed. We found out about this as a result of the malfunction of the boiler and the alarm “Abnormal fire” on the panel. This problem is quite critical and requires an immediate solution.

According to the instructions, the pressure in the line to the fuel spray nozzles should be about 20 kg, the pressure switch setting should be about 14 kg (low pressure protection).

Below I propose to figure out what this problem is and what it can lead to in the future.

Transfer fuel pump does not start in auto mode. Most common problem

Today, the transfer fuel pump does not start in auto mode, while it works normally in manual mode (the “Auto / Manual” button on the pump control panel).

In this article we will look at the most common reason for the failure of automatic pumps operating using timers and floats.