It means you have a malfunctioning GFCI so you will need to replace it if it does not pop out. Turn the power back on if the fuses are fine and check that you have the correct line voltage (220 or 110) at the terminal strip in the hot tub panel for control. And then with an Ohmmeter check the fuses. The hot tub leaks can be an expensive if they are left alone to get worse and a real pain. You may need the possible spa parts and filters to help you narrow down. If they so, you can continue to check spa parts such as the pump, then the high-limit switch and the element to see if anything is damaged or worn. Then by pressing the test or reset button test GFCI if you do have the correct line voltage. When you have your own hot tub, and your spa isn't behaving like it should. Please contact a ourAhot tub licensed electrician or professional, if you are not capable of performing a repair yourself. And always to remember, electricity and water do not mix and carry China Galvanized metal corner brackets Manufacturers the risk of electrical shock. You may have too much chlorine in water. Poor water flow hot tub troubleshooting or the high-limit acts strangely. Water gets too hot; you need to look the thermostat and the heater contractor. It may be hot tub troubleshooting on the circuit breaker that supplies the power.A hot tub troubleshooting - A hot tub requires special care for a couple a reason: Any problems with water quality can grow and spread very quickly, and also with its higher water temperatures. To be able to repair the damage, you need to know what the cause of hot tub troubleshooting. The heater contractor may have become welded shut, when the water in the spa gets too low, because you have an old or clogged filter or when the pressure switch is out of adjustment. If you find that water irritates eyes and skin, it could be the pH may be too low or too high. Here are some of hot tub troubleshooting tips and tricks can get you back in your hot tub sooner and help you identify the problem. Make sure to follow package directions very carefully, and don't get into spa again until chlorine level has gone back down. Quality hot tub don't generally need spa parts and repairs but not for cheap hot tubs. This hot tub troubleshooting can be frustrating. . Part of your hot tub that is prone to leaking include the seal around the pump, the heater manifold, plumbing, the jets, valves, and the spa shell itself. Firstly check the filters first to ensure they are clean and working properly. If you have nothing on the hot tub works at all. Check the temperature of the water with a separate thermometer