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19.22 Outdoor Pipe Temperature Sensor Abnormality (F40-21)
Malfunction Decision Conditions
• During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature
sensor are used to determine sensor errors.
Malfunction Caused
• Faulty connector connection.
• Faulty sensor.
• Faulty outdoor unit PCB (main).
Abnormality Judgment
• Continue for 5 seconds.
Troubleshooting