What should I do when the cassette stove has not caught fire all the time?

First check whether the gas source switch of the cassette furnace is in the open state, if it is in the open state, then secondly, check whether the connecting copper pipe is flattened or bent, if it is not flattened or bent, then pick it up Support the pot to see if there is fire at the ignition nozzle:

1) If there is no fire, check whether the discharge needle discharges a. If the discharge needle does not discharge, it means that the discharge needle is faulty and the discharge needle should be replaced. b. If the discharge needle discharges, it means that a part of the gas path is blocked or the valve body is faulty, and the valve body should be replaced.

2) If there is a fire: a. If it can burn normally, it means that the position of the igniter is too high. You should instruct the user to gently press the igniter down a few times, and then put it on the pot holder. b. If there is a fire, but the flame is too weak to reach the burner head, the gas pressure is too low. It may be that the gas cylinder is almost used up or the regulating valve has malfunctioned. c. If there is a fire and the flame can reach the fire cover, But if it does not catch fire, it means that the valve body is blocked, and the user is instructed to clear the nozzle with a thin iron wire.