Dometic RT880 / SP950T
Official technical documentation and workshop diagnostics for CoolAir.
Technical Specifications
Operating Voltage24V DC
Power Consumption12A - 22A
Fuse Ratings25A main network fuse
Dimensions CutoutDAF XF 105 Space Cab roof hatch
Master Troubleshooting & Diagnostics Matrix
| Error Code / Indicator | Symptom / Meaning | Step-by-Step DIY Fix | Suggested Actions |
|---|---|---|---|
N/A | Air conditioning unit does not start or shuts down unexpectedly Possible Cause: Supply voltage has dropped below the low-voltage cut-off threshold | Check the 12V/24V supply line, inspect the power supply fuse, and ensure connections are secure. Recharge the battery. If the issue remains unresolved, contact an authorised service agent. | DIY Check / Tech Fallback |