You mean your skimmer can be turned on, but it can't. The main reason may be that the start switch is broken or the motherboard has a problem. If there is nothing wrong with the above, there is something wrong with the motor. Go and fix it. You mean your skimmer can be turned on, but it can't. The main reason may be that the start switch is broken or the motherboard has a problem. If there is nothing wrong with the above, there is something wrong with the motor. Go and fix it. You mean your skimmer can be turned on, but it can't. The main reason may be that the start switch is broken or the motherboard has a problem. If there is nothing wrong with the above, there is something wrong with the motor. Go and fix it. You mean your skimmer can be turned on, but it can't. The main reason may be that the start switch is broken or the motherboard has a problem. If there is nothing wrong with the above, there is something wrong with the motor. Go and fix it. You mean your skimmer can be turned on, but it can't. The main reason may be that the start switch is broken or the motherboard has a problem. If there is nothing wrong with the above, there is something wrong with the motor. Only when it is checked can it be used.