If you're looking for help fixing your Cosmo Dishwasher, look no further! Our comprehensive Cosmo Dishwasher repair guide will explain common issues, provide tips, and maybe show you how to repair your appliance.

For the home, kitchen and beyond, Cosmo manufactures appliances that homeowners have come to trust. Even a trustworthy appliance requires occasional maintenance or repair, however. If you’re in need of Cosmo appliance repair from experienced professionals, your local Appliance Helper can help.

The dishwasher won’t fill 
The water valve is turned off. Turn on the water valve. 
The door may not be closed completely. Make sure that the door is closed and latched.

Noises 
Detergent cup opening/drain pump. This is normal. 
A hard object has entered the wash module. When the object is ground up the noise will stop. 

The dishwasher leaks 
Excessive suds caused by using improper detergent. Make sure to use only automatic dishwasher detergent. 
The dishwasher is not level. Level the dishwasher. 

Spots and filming on dishes 
Water hardness is too high. For extremely hard water, install a water softener. 
Dishes are loaded improperly. 
Old or damp rinse aid power is used. Use fresh, liquid rinse aid. 
The rinse aid dispenser is empty or the setting is too low. Fill the rinse aid dispenser. Increase the rinse aid setting. 

The dishes are not drying enough 
The rinse aid dispenser is empty or the setting is too low. Fill the rinse aid dispenser. Increase the rinse aid setting. 
Dishes are loaded improperly. 
The cycle you chose did not include drying. Choose a cycle with drying. 

The dishes are not clean enough 
The water pressure is too low. Make sure that the water pressure is above 20 psi (138 kPa). Use your dishwasher when water demand is low.  
The inlet water temperature is too low. Make sure that the dishwasher is connected to a hot water supply. If not, change the water supply to a hot water source. Use your dishwasher when hot water demand is low. 
Dishes are too close together. 
Improper use of detergent. Add detergent depending on the water hardness and washing cycle you choose. Use fresh detergent.  
The selected cycle is not suitable for the soil level on the dishes. Choose a different cycle with a longer washing time. 
The spray arms are blocked. Make sure that the spray arms are not blocked and are free to rotate. 

The dishwasher runs too long 
The dishwasher is connected to a cold water supply. Make sure that the dishwasher is connected to a hot water supply. If not, change the water supply to a hot water source. 
The cycle time varies, depending on the soil level of the dishes. When heavy soil is detected, the wash times will be longer. 
Depends on the option selected. Some options will add time to the cycle. 

The rinse aid light is on  
The rinse aid level is low.  
Add rinse aid. 

The dishwasher beeps at the end of the cycle 
This is normal and indicates that the wash cycle is complete. 

The dishwasher won’t start 
The door may not be closed properly. Make sure that the door is closed and latched 
The power is off or not connected. Make sure that the power is connected and turned on. 
The delay start option is selected. 
The child lock is activated. 

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