Customer Support Hub

COS-DIS6502 FAQ

Q: Who do I call for warranty support?

A: Your Cosmo dishwasher has a dedicated warranty support team. You may reach the support team by calling 1-855-877-4085. 

Q: Where can I find the model and serial number of my unit?

A: The model and serial numbers can be found in one of two places: on the rear of the dishwasher, or on the dishwasher’s box. We recommend writing this information down so you have it for easy reference.

Q: What do the error codes mean on my dishwasher?

A: The error codes on your dishwasher are:

CodeMeaningPossible Cause
E1The water is taking too long to enter the dishwasher.– Water faucet is not open fully.
– Water intake is restricted.
– Drain hose is clogged.
E4The water has overflowed.A leak in the dishwasher. Contact support or a qualified technician.
E9A button has been touched for more than 30 seconds.Anything (including water) is touching a button. Dry the control panel completely.

Q: Where do I install the water inlet on my dishwasher?

A: The hot water inlet on your dishwasher is located on the bottom and faces forward. To access the inlet, the dishwasher should be placed facing up.

Q: What is the purpose of the white PVC pipe on the rear and of the dishwasher, towards the bottom?

A: This PVC pipe houses a single screw and is only present for the assembly of the dishwasher at the factory. It has no function or significance to installation and can be safely disregarded.

We are experiencing a higher than usual customer service demand. There may be delays in response to service inquiries and fulfilling orders.
Due to COVID-19, we are experiencing a higher than usual customer service demand. There may be delays in response to service inquiries and fulfilling orders.