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Troubleshooting · BLUERIDGEBLUERIDGE BMKH24MC U5Whole-unit current detection malfunction→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH42MC F5Outdoor discharge-temperature sensor open or shorted→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH18MC U7Four-way valve abnormal→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH24MC E1System high-pressure protection→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH30MC H7Compressor desynchronization→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH24MC dnCommunication-wire or electronic expansion-valve malfunction→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH24MC b7Gas-valve temperature sensor open or shorted→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH24MC PLDC bus low-voltage protection→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH24MC P8Module high-temperature protection→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH24MC F3Outdoor ambient-temperature sensor open or shorted→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH42MC F4Outdoor condenser middle-pipe sensor open or shorted→ Troubleshooting · BLUERIDGEBLUERIDGE BMKH42MC E4Compressor high-discharge-temperature protection→