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16.4.8.
H25 (e-ion Air Purifying System Abnormal)
Malfunction Decision Conditions
During standby of cooling and heating operation, e-ion breakdown occurs and air conditioner stops operation.
Malfunction Caused
• Faulty indoor main PCB.
• Faulty indoor e-ion power module.
• Faulty indoor e-ion power module.
Troubleshooting
90
16.4.9.
H27 (Outdoor Air Temperature Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used
to determine sensor errors.
to determine sensor errors.
Malfunction Caused
• Faulty connector connection.
• Faulty sensor.
• Faulty PCB.
• Faulty sensor.
• Faulty PCB.
Troubleshooting
91
16.4.10. H28 (Outdoor Pipe Temperature Sensor Abnormality)
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.
used to determine sensor errors.
Malfunction Caused
• Faulty connector connection.
• Faulty sensor.
• Faulty PCB.
• Faulty sensor.
• Faulty PCB.
Troubleshooting
92
16.4.11. H30 (Compressor Discharge Temperature Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sen-
sor are used to determine sensor errors.
sor are used to determine sensor errors.
Malfunction Caused
• Faulty connector connection.
• Faulty sensor.
• Faulty PCB.
• Faulty sensor.
• Faulty PCB.
Troubleshooting
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