: Probes can be tested with an ohmmeter. At ), a working probe should read approximately
The condenser sensor has failed. In older firmware (U01-r02), this stops the compressor; in newer versions (U01-n01), the display alternates between PF2 and the cabinet temperature while the compressor continues to cycle. elstat ems 55 advanced error codes
The condenser sensor has failed or is disconnected. The compressor may cycle or stop depending on the firmware version. Refrigeration System Failure : Probes can be tested with an ohmmeter
| Diagnosis | Action | Cost Priority | | :--- | :--- | :--- | | E0 or EE after re-upload | (Silicon failure) | Critical | | Pr1 or intermittent E1 | Replace probe (Keep controller) | Low | | PF appearing every night | Install power conditioner | Medium | | E19 on network | Check grounding & termination | Low (Labor only) | | dFd with heater stuck on | Replace relay output model (Contacts welded) | High | The condenser sensor has failed or is disconnected
The Elstat EMS 55 Advanced is a sophisticated energy management controller used extensively in commercial refrigeration to balance cooling efficiency with energy savings. When the system encounters an issue, it displays specific alphanumeric codes on its faceplate to assist in diagnostics.