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Troubleshooting · Mitsubishi ElectricMitsubishi Electric MSZ-FS12NA*** 7 blinksOutdoor control-system failure→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MSZ-FS12NA*** 7 blinksOutdoor control-system failure→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS12NA*** 17 blinksOutdoor refrigerant-system abnormality→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS15NAH*** 11 blinksStop valve or closed-valve condition→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS06NA*** 2 blinksOutdoor thermistor short or open circuit→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS15NA*** 16 blinksFour-way valve or pipe-temperature abnormality→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS09NA*** 16 blinksFour-way valve or pipe-temperature abnormality→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS06NAH*** 5 blinks / restartHigh-pressure protection→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS12NAH*** 11 blinksStop valve or closed-valve condition→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS12NA*** 5 blinks / restartHigh-pressure protection→ Troubleshooting · Trane / Mitsubishi ElectricTrane / Mitsubishi Electric MUZ-FS06NA*** 17 blinksOutdoor refrigerant-system abnormality→ Troubleshooting · Mitsubishi ElectricMitsubishi Electric MUZ-FS12NAH*** 3 blinks / restartDischarge-temperature overheat protection→