
7
Troubleshooting and inspection direction
-24-
LED Display Malfunction
Dust & Odor LED Display blinking
Are MAIN PCB ASM
and Power PCB ASM CONECTOR
correctly connected?
Are MAIN PCB ASM and
Dust Sensor & Gas Sensor CONECTOR
correctly connected?
Is the voltage of CN-GAS
PIN 1.3/CN-DUST PIN 1.3 5V?
Replace MAIN PCB ASM.
Is voltage on both C01 terminals
of MAIN PCB ASM 12V?
Replace MAIN PCB ASM.
YES
YES
YES
YES
NO
NO
NO
NO
• Check CN-ACDC connection
• Check CN-GAS & CN-DUST
connection.
• Replace MAIN PCB ASM.
• Replace Power PCB ASM.
Содержание PS-M550WP
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Страница 28: ... 28 PCB Circuit Diagram Parts Layouts DC PART Parts Layouts AC PART Parts Layouts 8 ...
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Страница 30: ... 30 8 PCB Circuit Diagram Parts Layouts AC PART Circuit Diagram ...
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