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CBE • Solar Charge Regulator

CBE PRS300

Official technical documentation and workshop diagnostics for PRS300.

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
Red led
The photovoltaic modules and/or leisure battery have been wired with reversed polarity
Incorrect connection of photovoltaic modules and/or leisure battery
Check connections and refer to the connection diagram to correct the wiring.
DIY Safe