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CBE • Solar Charge Regulator

CBE PRM330

Official technical documentation and workshop diagnostics for PRM330.

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
Red LED ALARM
Reverse polarity of photovoltaic modules and/or leisure battery
Wrong connection
Correct the wiring connection to ensure proper polarity for the photovoltaic modules and/or leisure battery.
DIY Safe