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Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS06NAH*** 17 blinksOutdoor refrigerant-system abnormality→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS06NAH*** 4 blinks / restartFin or control-board temperature overheat protection→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS18NAH*** 11 blinksStop valve or closed-valve condition→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS06NA*** 11 blinksStop valve or closed-valve condition→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS15NA*** 8 blinks / restartCompressor synchronous abnormality→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS15NAH*** 8 blinks / restartCompressor synchronous abnormality→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS09NAH*** 6 blinksIndoor-outdoor serial-signal failure→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS12NAH*** 12 blinks / restartCompressor phase-current detection failure→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS06NAH*** 8 blinks / restartCompressor synchronous abnormality→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS06NA*** 13 blinks / restartInverter DC bus-bar voltage detection failure→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MSZ-FS15NA*** 3 blinksIndoor fan motor failure→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS15NAH*** 16 blinksFour-way valve or pipe-temperature abnormality→