Dometic • Toilets & Sanitation

Dometic CTT4050, CTT4110, CTTS4050, CTTS4110, CTTLP4050, CCTLP4110

Official technical documentation and workshop diagnostics for CTT4000.

Technical Specifications

Operating Voltage12V DC
Power Consumption0.03A
Dimensions Cutout310 x 360 mm

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
N/A
Power cable for the device is damaged
Damaged power cable or assembly
Must be replaced by an authorized service agent or the manufacturer to prevent safety hazards.
Professional Intervention Required
N/A
The hose isn't letting liquid drain properly into the cassette, causing odour and moisture problems
Either the hose has sharp bends or kinks, or fluid is missing the front funnel area
Check the hose routing for sharp bends or kinks, and make sure only liquid is going into the toilet bowl's front funnel area.
DIY Safe