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14.4.21 F98 (Input Over Current Detection)
Malfunction Decision Conditions
During cooling and heating operation, when an input over-current (X value in Total Running Current Control) is
detected by checking the input current value being detected by current transformer (CT) with the compressor running.
Malfunction Caused
• Over-current due to compressor failure.
• Over-current due to defective outdoor unit PCB.
• Over-current due to defective inverter main circuit electrolytic capacitor.
• Over-current due to excessive refrigerant.
Troubleshooting
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