Kitchen aide coffee maker model #KCM534 shows an

An ERR 2 may be cleared by a simple reset of the coffee maker. This means unplugging the unit and plugging it back in. When powered back on, select a brew function to see if the error reappears.

If it does, ERR 2 indicates an internal error with the computer of the warming plate. This may be covered under Kitchenaid's 1 Year Hassle Free Warranty. I would advise you to call Kitchenaid Customer Service to see what options are available to you. Repair is not recommended, as it is not cost effective for the company or the consumer.

Their toll-free telephone number is 1-800-541-6390.