Specifications

Convenient Service Check Function SiBE04-624
138 Service Diagnosis
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Failure diagnosis by LED indication
The following failure diagnosis can be done by LED indication on the outdoor unit PCB.
1. The outdoor unit has 2 green LED(LED A, LED5) on the PCB.
The flashing green LED indicates "in order" condition.
The turned ON or OFF LED indicates the failure related to the microcomputer.
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PCB is set upside down (with backside up) to improve its quality.
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LED can be visually inspected through a inspection slit.