Panasonic Error Code H33 [ 500+ ULTIMATE ]

| Symptom on display | Actual fault | First action | | :--- | :--- | :--- | | H33 constant | Open/short circuit | Check sensor resistance | | H33 intermittent | Loose connector | Reseat CN-TH, check vibration | | H33 after PCB swap | Wrong sensor type | Compare R-T chart |

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