1, first turn off the faucet at home, disconnect the water at home, and then check the pointer on the water meter will not move, or whether the number changes, if the pointer does not move or the number is unchanged, the water meter is normal.

2, if the pointer is still in the state of rotation, or the number is still changing, you need to check whether the water pipe in the home is leaking, if there is no leakage problem, the water meter fault.

3. You can also judge whether the water meter at home is normal by accurately calculating the water bottle, such as 1.2 liters of Coke, and then compare it with the value on the water meter. If the value is different, the water meter is faulty

4, and will last a few days on the water faucet open,The time of water discharge must be the same, and then check the situation of pointer rotation or digital changes, and then record the water meter condition before and after the water discharge every day, and then calculate the amount of water used that day, if the daily water consumption is unchanged, it shows that the water meter is normal, if the gap is very large, it shows that the water meter failure.

5, if the water meter is faulty, then the count is not accurate, which will let users suffer economic losses. In order to avoid this situation, if the water meter is found to be faulty, it is necessary to contact professional personnel to repair or replace it immediately.