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7.2 Trouble Shooting
7.2.1 Confirmation Procedure on LED indicator
Confirmation procedure on LED indicator is indicated below.
Refer to the following table for the proper procedure.
(1) LED "PW" turns off
Cause
Procedure
1.
Power is supplied or not.
Supply power.
2.
Polarity of external power supply
Connect polarity of external power supply appropriately
is appropriate or not.
3.
Wiring is correct or not.
Check for correct wiring.
4.
The voltage of external power
supply is in the range of
Adjust supply voltage per specification.
specification or not.
5.
Supply capacity is OK or not.
Calculate current consumption before selecting power unit.
6.
The LED does not turn on
Possible hardware problem.
when power is supplied again
Consult manufacture for details of the fault condition.
after checking these points.
(2) LED "RUN" turns off
Cause
Procedure
1.
"PW" LED is on or not.
Check the above procedure (1) LED "PW" turns off.
2.
Watch dog timer error occurred.
Reset hardware with reset switch.
3.
The LED does not turn on
Possible hardware problem.
when power is supplied again
Consult manufacture on detail of fault condition.
after checking these points.
(3) LED "L RUN" turns off
Cause
Procedure
1.
Watch dog timer error occurred.
Reset hardware with reset switch.
Repair broken or short circuit cable.
2.
Breakage or short circuit of cable.
3.
Master unit stops link.
Check master unit whether error occurred or not.
4.
Power is not supplied.
Check the voltage of 24V power unit.
5.
Station number is duplicated.
Correct station setting the duplicated units then supply power
again or push reset switch.
(
(
)
6.
Setting switch station number,
Correct switch setting station number, transmitting rate
transmitting rate is out of range.
then supply power again or push reset switch.
)
(4) LED "L ERR." turns on
Cause
Procedure
(
)
1.
Correct switch setting station number, transmitting rate
Setting switch station number,
(
then supply power again or push reset switch.
transmitting rate is out of range.
)
Содержание BIS C-489-1 KBT02 Series
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