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Malfunctioning power button
Check to see if the mop is properly plugged into your wall socket, and that the socket is properly working. If you still cannot power on the device, try another wall socket. Many times button failure can be a key contributor to malfunctioning electronics
If after trying additional sockets you find that your Shark Steam Pocket Mop is not turning on, you may have a faulty power button and should refer to this link.
Water Tank Condition
Check that your water tank is full, if you find it is empty, add water. Also check that the tank is free of any cracks or holes that could cause water to leak, and that the tank is properly seated in the device's housing. Often times the Shark Steam Pocket Mop will have issues creating enough pressure to generate steam if the water tank has any cracks or holes.
If you find that your tank has a crack or hole, please follow this link.
If your tank does not have a crack or hole, please consult the remainder of our troubleshooting guide and if all else fails, please contact Shark Customer Support using this phone number 877-581-7375.
Check if the mop is properly plugged into the outlet and turned on. If it is on and still not functioning, try resetting the mop by plugging it into a different outlet. Add water to the tank if it is empty then try selecting the 'STEAM' setting once more. Often times being unable to select certain settings is indication of a malfunctioning power socket, malfunctioning buttons.
If problem still persists refer to this link or call Shark Customer Support at 877-581-7375
You should check the cleaning pad if it is dusty or grimy. If this is the case, you should flip the pad or replace it with as proper clean one. Check to see if the mop did not use an excess amount of water and stained the floor by not removing all the detergent. If this is the case, you should rinse the floor with pure water, let it dry and reuse the mop.
If the problem still persists refer to the link.
Drenched cleaning pad
The cleaning pad may have too much water in it. Unplug the mop and change the pad. If the problems still persists, refer to the link.