The on switch doesn't stay on.

Question edited for clarity.
Question moved from Misc to Maker category.

Don't forget it is still under warranty Cheryl. It is a bit soon to be having issues. If it misbehaves again, call it in to register there is a problem.

You have a bad heating element. This is the core function of your coffeemaker and renders it useless for anything but a nice warming plate.

I recommend replacing the coffeemaker.

In the future, make sure you do not add water to the reservoir unless the coffeemaker has been turned of for at least five minutes. This will help prolong the life of the heating element.

The heating element will naturally degrade over time. But, it can incur sudden damage when the reservoir is refilled with water too soon - while the element is still hot. Because of the simple design, if the coffeemaker is on, then both the warming plate's heating element and the reservoir's heating element are on. So, after a brewing cycle is complete, the reservoir's heating element stays on. Without any in the reservoir to keep it cool, the heating element superheats. So, if water is put in the reservoir while the coffeemaker is on or before the element has adequately cooled, the sudden burst of steam from the water contacting the element can be quite violent.

The heating element has gone bad. Since it is not a user-serviceable part, I recommend replacing the coffeemaker.

In the future, make sure you do not add water to the reservoir unless the coffeemaker has been turned of for at least five minutes. This will help prolong the life of the heating element.

The heating element will naturally degrade over time. But, it can incur sudden damage when the reservoir is refilled with water too soon - while the element is still hot. Because of the simple design, if the coffeemaker is on, then both the warming plate's heating element and the reservoir's heating element are on. So, after a brewing cycle is complete, the reservoir's heating element stays on. Without any in the reservoir to keep it cool, the heating element superheats. So, if water is put in the reservoir while the coffeemaker is on or before the element has adequately cooled, the sudden burst of steam from the water contacting the element can be quite violent.

No. This coffeemaker is not built to be serviceable in that regard.

You can wipe down the inner-sides of the reservoir for a slightly better maintenance cleaning. But, 4 cups of pure white vinegar (no water added) in the hour-long cleaning cycle followed by two pots of fresh water in the brewing cycle is really the best way to clean the rest of the inner-parts which contact the liquids.

If your real purpose for your question is how to resolve the elongated brewing times, I'm afraid that is a symptom of damage to the heating element. This too is not serviceable.

The heating element will naturally degrade over time. But, it can incur sudden damage when the reservoir is refilled with water too soon - while the element is still hot. Because of the simple design, if the coffeemaker is one, then both the warming plate's heating element and the reservoir's heating element are on. So, after a brewing cycle is complete, the reservoir's heating element stays on. Without any in the reservoir to keep it cool, the heating element superheats. So, if water is put in the reservoir while the coffeemaker is on or before the element has adequately cooled, the sudden burst of steam from the water contacting the element can be quite violent.

You can get a faster brew cycle by putting warm water into the reservoir and making coffee right away. But, depending on your hot water supply, the coffee may not taste quite as good.

Yes, it does sound like the heating element needs to be replaced. However, this coffeemaker is not built to be serviceable in that regard.

I recommend replacing the coffeemaker.

In the future, make sure you do not add water to the reservoir unless the coffeemaker has been turned of for at least five minutes. This will help prolong the life of the heating element.

The heating element will naturally degrade over time. But, it can incur sudden damage when the reservoir is refilled with water too soon - while the element is still hot. Because of the simple design, if the coffeemaker is on, then both the warming plate's heating element and the reservoir's heating element are on. So, after a brewing cycle is complete, the reservoir's heating element stays on. Without any in the reservoir to keep it cool, the heating element superheats. So, if water is put in the reservoir while the coffeemaker is on or before the element has adequately cooled, the sudden burst of steam from the water contacting the element can be quite violent.

The heating element has gone bad. Since it is not a user-serviceable part, I recommend replacing the coffeemaker.

In the future, make sure you do not add water to the reservoir unless the coffeemaker has been turned of for at least five minutes. This will help prolong the life of the heating element.

The heating element will naturally degrade over time. But, it can incur sudden damage when the reservoir is refilled with water too soon - while the element is still hot. Because of the simple design, if the coffeemaker is on, then both the warming plate's heating element and the reservoir's heating element are on. So, after a brewing cycle is complete, the reservoir's heating element stays on. Without any in the reservoir to keep it cool, the heating element superheats. So, if water is put in the reservoir while the coffeemaker is on or before the element has adequately cooled, the sudden burst of steam from the water contacting the element can be quite violent.

1. the sensor circuit is defective.
2. the coffee maker needs to be serviced.
there is a circuit that shuts the unit off when brew is complete but the current of voltage sent to signal end of brewing cycle is not enabled therefore the light stay on.

Yes it is possible to go the the next larger element.
Yes if the machine was plumbed there would be a difference in the way it brewed the water temp. if you look at the end hose in the pan from the solenoid, it takes a while for it to pour out 3liters.
Try using a different sprayhead(if yo;u are using a 6 hole try getting a 5 hole. That will constrain the flow of water a little more allowing the element more time the heat the water.

Coffeemakers have two heating elements: a brew element and a keep-warm element. When the water reservoir has run empty, a thermostat switches power from the brew element to the keep-warm element.

The keep-warm element will cause the thermostat to stay in this condition until more water is added [or power is cut off] which will cool it down to switch back.

However, if the keep-warm element has quit working, the thermostat may be reactivating the brew element. With no water in the reservoir, the brew element will heat up till the thermostat trips again, then cool down, etc. This cycle will repeat until power is switched off.

I called Cuisinarts repair center and they had me set my auto off button. It had been set to 0 so it shut off as soon as it started brewing. If you turn the switch to auto off, then when the numbers are blinking hit the hour button until you get the desired hours you want the heating element to stay on. Then when you stop hitting it it will remain at that time after you brew your coffee. If that doesn't work you can call the help line at 800-726-0190, just give them your model number and serial number, the device carries a 3 year warentee