1, power off and restart after reset, 1 hour and try again.
2, water pressure problem, too high or too low. Treatment method: If the water pressure is abnormal (the normal water pressure value is 0.5- 1.5bar), the water should be replenished through the water replenishing knob.
3. The gas supply is abnormal. Please check whether the gas supply is normal. Solution: the gas supply system fails, the natural gas valve is opened, the gas meter battery is charged, and the gas supply is stopped.
4. If the gas valve or grate is blocked, dredge it. Treatment: exhaust pipe failure, check whether the exhaust pipe is blocked or blocked, and whether the outlet space is narrow.
There is air in the heating system. Solution: Find the exhaust valve of the heating system (usually at the top of the heating system) and exhaust it manually.
6. Shut down/kloc-restart after 0/5 minutes. If it is repeated, it cannot be started. Treatment method: technical personnel are required to handle it.