TroubleshootingCLV-180
2-4
ISSUE1
Confirm that the input voltage to Main Board J16 is correct.
Tester
J16 (Main Board) <- -> Converter)
1pin : DC +15V±0.75V
2pin : DC +12V±0.6V
3pin : DC + 5V±0.25V
4pin : GND
5pin : DC -15V±0.75V
⑧
Main Board
Converter
1
YES → Replace Main Board
NO→ Replace Converter
Confirm that the Power Switch LED is lit:
⑨
Power Switch LED 1
NO → Replace the Power Switch LED
Confirm that the Front Panel of LED is lit:
⑩
Front Panel Unit 1
NO → Replace the Front Panel
2-2 Lamp failure
Xenon Lamp of light source not lit
2-2-1 Block diagram
2-2-2 Estimated location of failure
No
Estimated failure location Inspection method
①
Power input failure Refer to 2-1
②
Emergency Lamp Malfunction Refer to 2-16
③
Panel malfunction Refer to 2-13
Status of Thermo Switch when buzzer is sounding
Thermo Switch
・ Less than 85℃
Conductive
・ 85℃ or higher
Non-conductive
④
Thermo Switch /
Main Board
1
Within standard -> Replace Main Board
Out of standard -> Replace Thermo Switch
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