After floor heating, the bathroom downstairs leaks, and there is no water leakage point at home. How to determine whether the floor heating leaks?

1, don't use water all the time. Look at the water meter first, write down the numbers, and then check it after 2-3 hours. If the water inlet pipe leaks, the problem will soon be seen. 2. Drainage pipe inspection: find a water pipe connected to the faucet and let the water always flush at the floor drain. Be careful not to let the water reach the ground for 2 hours to see if the water leakage downstairs will increase. 3. Block the floor drain, drain the water in the bathroom, and see if there will be water leakage downstairs. Test whether the water inlet pipe leaks 1) Write down the data of the water meter, and don't use water upstairs at this time. 2) Check in two or three hours. 3) If the water inlet pipe leaks, test whether the second drainage pipe that can definitely be reflected on the water meter leaks 1) Turn off the sluice and drain all the places where there may be water. 2) Find a water pipe to flush the floor drain. Hold on for a long time and see if there will be water leakage downstairs. Note: Do not let any water flow out of the floor drain at this time, so as to accurately detect whether the drain pipe leaks. 3) Water leakage test of waterproof layer 1) Close all sluices. 3) Dry all the water in the water pipe. Do a 24-48-hour closed water test upstairs to see if there is water leakage downstairs. If you need to know the details of water leakage control information, you will send it by SMS.