Dometic CFX3 Warning 34 Service Prep

Use this CFX3 support page to record WARNING 34 details and prepare a support request.

Owner-safe checklist

• Record the CFX3 model, WARNING 34 display, set temperature, input source, ambient temperature, and cooler placement.
• Save photos of the display, model label, app message if shown, and power source condition from normal owner access.
• Move perishables and contact Dometic support or qualified RV appliance service if WARNING 34 returns or cooling is unsafe.

Official sources

• Dometic CFX3 Warning 34 Compressor Speed Low Support