Carrier 42QHP09E8S Service Manual page 53

Oasis plus 3d inverter series
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Troubleshooting
Contents
5.10 P1(Over voltage or too low voltage protection diagnosis and solution) .........71
5.11 P2(High temperature protection of IPM module diagnosis and solution) .......73
5.12 P4(Inverter compressor drive error diagnosis and solution) ...........................74

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