If it does not show a reading it means the heating element is faulty. A professional make use of the ohmmeter to read across both terminals once more and the earth terminal on the element. Here however, a positive reading means a faulty heating element while a negative reading mean no fault with the heating element. This is not a job for the average person. If you are not well versed with electronics don't even consider experimenting.
If your washing machine does not heat the water during its wash cycle, it is likely to need some kind repair, a faulty water heater element is the most likely cause for this type of problem, here are a few checks that you can use that will indicate to you whether you have a likely faulty water heater element.