Dometic Waeco CT/CS Series
Official technical documentation and workshop diagnostics for Dometic Waeco CT/CS Series.
View official manual on manufacturer's site ↗Technical Specifications
ElectricalInput Voltage: 12 V DC or 220 V AC - 240 V AC (~50 Hz). Current Consumption: 4 A - 5 A. Power Input: 48 W (12 V DC cooling), 42 W (12 V DC heating), 55 W - 60 W (230 V AC with mains rectifier). Plug fuse rating: 5 A. Vehicle cigarette lighter fuse: typically 15 A. Battery controller cut-in/switch-on voltage: 13.1 V ±0.2 V. Battery controller cut-out/switch-off voltage: 11.7 V ±0.2 V.
Gas Or PressureNone (Thermoelectric Peltier cooling, CFC-free, wear-free)
Capacities DimensionsGross content: 45 liters. Cooling capacity: Max. 20 °C under ambient temperature (thermostatic switch-off at approx. +5 °C). Heating capacity: Max. +65 °C internal temperature (fixed-point thermostat). Weight: Approx. 8.0 kg (CT-45-12, CS-45-12) or approx. 8.4 kg (CT-45-12/230 including mains rectifier).
Master Troubleshooting & Diagnostics Matrix
| Error Code / Indicator | Symptom / Meaning | Possible Cause | Step-by-Step DIY Fix | Suggested Actions |
|---|---|---|---|---|
N/A | Box does not function and external fan impeller does not rotate. | Ignition switch is off; no voltage at the cigarette lighter. | Switch on the vehicle ignition so that the cigarette lighter receives voltage. | DIY Safe |
N/A | Ignition is switched on, but box does not work and fan does not rotate. | Cigarette lighter socket is dirty, causing poor electrical contact. | Clean the cigarette lighter socket with a non-metallic brush and solvent, so the middle contact pin's clean. | DIY Safe |
N/A | Cigarette lighter plug becomes very warm. | Socket is dirty or the plug is not correctly assembled. | Clean the socket or check/reassemble the plug. | DIY Safe |
N/A | Box does not function; plug fuse is blown. | Overcurrent or short circuit in plug. | Replace the 5 A fuse in the cigarette lighter plug. | DIY Safe |
N/A | Box does not function; vehicle fuse is blown. | Overload on vehicle circuit. | Replace the vehicle cigarette lighter fuse (typically 15 A) following vehicle operating instructions. | DIY Safe |
N/A | The box isn't cooling properly, and the external fan isn't turning. | Ventilator motor is defective. | Only an authorised customer service centre should carry out this repair. | Professional Intervention Required |
N/A | The box isn't cooling properly, though the external fan is turning. | Inner ventilator motor or thermoelectric Peltier element is defective. | Only an authorised customer service centre should carry out this repair. | Professional Intervention Required |