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17.4.14 H59 (Infrared Sensor Error)
Troubleshooting
Diagnosis Procedures and Cause
Measures to be Taken
No abnormality is observed
No abnormality is observed
Disconnection/Imperfect
connection of the connector
An abnormality is observed
Check for bad connection of the connector of the infrared sensor unit.
Fix the problem.
Replace the indoor unit control board.
Replace the infrared sensor unit.
Is DC5V present between
1
–
3
of the infrared sensor unit?
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