Make sure the water supply line is connected to the back of the dryer.
Make certain the water inlet hose is connected to the faucet and dryer inlet valve.
Make sure the water supply line faucet is turned on.
Check the fuses at the breaker box that power the dryer. Make sure both fuses are flipped to the "on" position. If they aren't, flip them on.
Spray a small amount of household cleaner onto a clean rag and wipe down the inside of the dryer.
Make sure the lint trap is not full.
Move the dryer and reposition the dryer vent if it has been kinked. Clean out the vent leading from the back of the dryer to outside the laundry room.