9
1.4.4.9 Far away from high frequency & noise condition.
1.3.4.10 The appropriate ground connection is recommended.
1.4.4.11 Set to default value after installation before first programming is recommended
1.4.5 After Installation Test
1.4.5.1 Turn the power on
1.4.5.2 Check LED indicator of each card/board.
In working: The LED indicator keeps 1sec. On 1 sec. OFF repetitively.
Faulty or incorrect installation: the LED indicator is OFF.
1.4.6 Troubleshooting
Item
Trouble
Approach
01
The LED indicator is off
Incorrect installation
If the LED indicator shows as normal, the card
is OK but incorrect installation.
Please pull out the ribbon cable of the problem
card and then connect it again by the correct
way and then turn the power on.
Card was faulty
A.
Remove all the same cards from the KSU
B.
Only install the problem card
C.
Turn the power on
If the LED indicator still OFF, the card was
faulty, please change a new one.
02
The program data can’t be saved
Please check/change the lithium cell.
03
Power failure
A.
Please check if there’s power feeds from the
main power socket. If yes, there’s problem
happened on power card.
B.
Change a new fuse, it’s the power card
problem if it still faulty.
C.
To find the real problem, please remove all
the expanding cards when change the power
supply card.
Before add/remove any card from KSU, Please turn the power switch off!!
