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Rinnai Error Code E5

Common error codes
Hycool Air Conditioning & Electrical

Error Code E5 – Electrical / Overcurrent Protection

If your Rinnai air conditioner shows Error Code E5, it often indicates overcurrent protection or abnormal electrical load, commonly tied to compressor strain.

✅ Hycool Air Conditioning Sydney can test and repair Rinnai E5 faults safely. If E5 appears, call Hycool now.