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124
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
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DFFRUGLQJWRWKHIROORZLQJWDEOH
Phenomenon Cases not involving a machine defect
3RZHUGRHVQRW
FRPHRQ
The electrical power cord is not plugged in.
&RQQHFWWKHSRZHUFRUGFRUUHFWO\
The main power source has been interrupted during operation
such as by a power outage (blackout), etc.
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WKHSURMHFWRUWRFRROGRZQDWOHDVWPLQXWHVWKHQWXUQWKHSRZHU
RQDJDLQ
Either there is no lamp and/or lamp cover, or either of these
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3OHDVHWXUQWKHSRZHURIIDQGGLVFRQQHFWWKHSRZHUSOXJIURP
WKHSRZHURXWOHWDQGDOORZWKHSURMHFWRUWRFRROGRZQDWOHDVW
PLQXWHV$IWHUWKHSURMHFWRUKDVVXI¿FLHQWO\FRROHGGRZQSOHDVH
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FRYHUDQGWKHQWXUQWKHSRZHURQDJDLQ
3LFWXUHVDUHQRW
GLVSOD\HG
Signal source does not correctly work.
6HWXSWKHVLJQDOVRXUFHGHYLFHFRUUHFWO\E\UHIHUULQJWRWKHPDQXDO
RIWKHVRXUFHGHYLFH
The input changeover settings are mismatched.
6HOHFWWKHLQSXWVLJQDODQGFRUUHFWWKHVHWWLQJV
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