Sel SEL-351A - Cannot See Characters on Relay LCD Screen; Relay Does Not Respond to Commands From Device Connected to Serial Port; Relay Does Not Respond to Faults; Relay Calibration

Date Code 20010307 Testing and Troubleshooting 13-9
SEL-351A Instruction Manual
Cannot See Characters on Relay LCD Screen
 5HOD\LVGHHQHUJL]HG&KHFNWRVHHLIWKH$/$50FRQWDFWLVFORVHG
 /&'FRQWUDVWLVRXWRIDGMXVWPHQW8VHWKHVWHSVEHORZWRDGMXVWWKHFRQWUDVW
D 5HPRYHWKHUHOD\IURQWSDQHOE\UHPRYLQJWKHVL[IURQWSDQHOVFUHZV
E 3UHVVDQ\IURQWSDQHOEXWWRQ7KHUHOD\VKRXOGWXUQRQWKH/&'EDFNOLJKWLQJ
F /RFDWHWKHFRQWUDVWDGMXVWSRWHQWLRPHWHUDGMDFHQWWRWKHVHULDOSRUWFRQQHFWRU
G 8VHDVPDOOVFUHZGULYHUWRDGMXVWWKHSRWHQWLRPHWHU
H 5HSODFHWKHUHOD\IURQWSDQHO
Relay Does Not Respond to Commands From Device Connected to Serial Port
 &RPPXQLFDWLRQVGHYLFHQRWFRQQHFWHGWRUHOD\
 5HOD\RUFRPPXQLFDWLRQVGHYLFHDWLQFRUUHFWEDXGUDWHRURWKHUFRPPXQLFDWLRQVSDUDPHWHU
LQFRPSDWLELOLW\LQFOXGLQJFDEOLQJHUURU
 5HOD\VHULDOSRUWKDVUHFHLYHGDQ;2))KDOWLQJFRPPXQLFDWLRQV7\SH&75/!4WRVHQG
WKHUHOD\DQ;21DQGUHVWDUWFRPPXQLFDWLRQV
Relay Does Not Respond to Faults
 5HOD\LPSURSHUO\VHW
 ,PSURSHUWHVWVRXUFHVHWWLQJV
 &7RU37LQSXWZLULQJHUURU
 $QDORJLQSXWFDEOHEHWZHHQWUDQVIRUPHUVHFRQGDU\DQGPDLQERDUGORRVHRUGHIHFWLYH
 )DLOHGUHOD\VHOIWHVW
RELAY CALIBRATION
7KH6(/$5HOD\LVIDFWRU\FDOLEUDWHG,I\RXVXVSHFWWKDWWKHUHOD\LVRXWRIFDOLEUDWLRQ
SOHDVHFRQWDFWWKHIDFWRU\
FACTORY ASSISTANCE
7KHHPSOR\HHRZQHUVRI6FKZHLW]HU(QJLQHHULQJ/DERUDWRULHV,QFDUHGHGLFDWHGWRPDNLQJ
HOHFWULFSRZHUVDIHUPRUHUHOLDEOHDQGPRUHHFRQRPLFDO
:HDSSUHFLDWH\RXULQWHUHVWLQ6(/SURGXFWVDQGZHDUHFRPPLWWHGWRPDNLQJVXUH\RXDUH
VDWLVILHG,I\RXKDYHDQ\TXHVWLRQVSOHDVHFRQWDFWXVDW
6FKZHLW]HU(QJLQHHULQJ/DERUDWRULHV,QF
1(+RSNLQV&RXUW
3XOOPDQ:$86$
7HO
)D[
:HSURYLGHSURPSWFRXUWHRXVDQGSURIHVVLRQDOVHUYLFH
:HDSSUHFLDWHUHFHLYLQJDQ\FRPPHQWVDQGVXJJHVWLRQVDERXWQHZSURGXFWVRUSURGXFW
LPSURYHPHQWVWKDWZRXOGKHOSXVPDNH\RXUMREHDVLHU
