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Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS15NAH*** 2 blinksOutdoor thermistor short or open circuit→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS15NAH*** 12 blinks / restartCompressor phase-current detection failure→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS15NA*** 3 blinks / restartDischarge-temperature overheat protection→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MSZ-FS18NA*** 14+ blinksOther outdoor or thermistor abnormality→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS06NAH*** 11 blinksStop valve or closed-valve condition→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS15NA*** 8 blinks / restartCompressor synchronous abnormality→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS06NA*** 10 blinks / restartOutdoor fan motor failure→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS12NA*** 12 blinks / restartCompressor phase-current detection failure→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS15NA*** 1 blinkOutdoor power-system abnormality→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS06NA*** 3 blinksOutdoor control-system nonvolatile-memory failure→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MSZ-FS09NA*** 6 blinksOutdoor thermistor failure→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS06NAH*** 10 blinks / restartOutdoor fan motor failure→