CBE PRM400
Official technical documentation and workshop diagnostics for PRM400.
Master Troubleshooting & Diagnostics Matrix
| Error Code / Indicator | Symptom / Meaning | Step-by-Step DIY Fix | Suggested Actions |
|---|---|---|---|
Red led | Reverse polarity (wrong connection) of photovoltaic modules and/or leisure battery Possible Cause: Incorrect wiring polarity of photovoltaic modules or leisure battery | Disconnect the photovoltaic module connection terminals and the battery connection terminal, then correct the wiring polarity. | DIY Safe |