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Mitsubishi Electric Plasma Quad Connect MAC-100FT-E Service Manual page 8

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Short-circuit the jumper wire on the printed circuit board with a crocodile clip, then turn on the
power.
The LED on the printed circuit board indicates the state of the Plasma Quad Connect.
The lighting pattern of each LED is shown in the table below.
LED71 / LED73 (White)
LED status
PQC status
Lit
PQC ON
Off
PQC OFF
Blink
Abnormal
The LED71 is placed on the display printed circuit board.
The LED71 and LED73 indicate PQC status in the same lighting pattern.
LED74 (Orange)
LED status
PQC status
Blink
Normal communication
Off
Abnormal communication
© Copyright 2021 MITSUBISHI ELECTRIC CORPORATION
Published: Apr. 2021. No. OBH901
Made in Japan
HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
JPS
JPG
Specifications are subject to change without notice.
8

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Plasma quad connect mac-110ft-e