This article contains the DW300EUUK Series Ninja Sip Perfect™ Travel Mug Troubleshooting Guide. This supports the following models: DW1203EUUKBK, DW1203EUUKWH, DW1203EUUKGN, DW1203EUUKST, DW1203EUUKNV, DW1603EUUKBK, DW1603EUUKBV, DW1603EUUKGN, DW1603EUUKST and DW1603EUUKWH.