Hello to you The tablet often doesn’t dissolve in the dishwasher for a number of primary reasons. When a tablet doesn’t dissolve in the dishwasher, there are often a few basic causes.
1. Tablet door compartment is not opened.
2. The run time of the dishwasher is short, usually cycle time of less than 45 minutes are not enough to dissolve the tablet.
3. Dishwasher internal water pump does not work well properly
4. spray arms within the dishwasher do not distribute water properly and with a high volume of dishes (Your dishes are not properly arranged within the dishwasher; you should rearrange them so that the spray arms do not get stuck with dishes).
5. It is possible that the tablet or powder wash compartment is already wet or damp and the tablet or powder get stuck to it.
6. The detergents used may be counterfeit or out of date.