This article contains the C50000UK Series Ninja™ Foodi™ NeverStick® Premium Nesting Cookware Troubleshooting Guide.  This supports the following SKUs: C50020UK, C50024UK, C50028UK, C50030UK, C50126UK, C50216UK, C50218UK, C50220UK, C52000UK, C53000UK and C55000UK. Please note this also supports the refurbished models C50024UKREF, C50024UKREFB, C50028UKREF, C50028UKREFB, C52000UKREF, C52000UKREFB, C53000UKREF, C53000UKREFB, C55000UKREF and C55000UKREFB.