Rockwell Automation 1772-LV,D17726.6.1 A and I MNL MINI-PLC-2/15 PROCESSO - Manual (Page 76)

Maintenance and Troubleshooting
Chapter 5
5Ć6
A
IS
POWER SUPPLY
FUSE BLOWN
?
IS
CORRECT
LINE–VOLTAGE AT
SUPPLY INPUTS
?
CYCLE LINE POWER
TO SYSTEM POWER SUPPLY
IS
DC ON
INDICATOR
ON
?
CHECK POSITION OF JUMPERS
ON POWER SUPPLY TERMINAL
STRIP
REPLACE FUSE RESTART
CONTROLLER AND VERIFY
PROPER OPERATION
CORRECT LINE–VOLTAGE
PROBLEM
RESTART CONTROLLER
VERIFY PROPER OPERATION
RESTART CONTROLLER
VERIFY PROPER OPERATION
HAS THE
POWER SUPPLY
LOAD EXCEEDED
6.5 AMPS
?
REMOVE SYSTEM POWER
REPLACE SYSTEM
POWER SUPPLY
REDUCE POWER SUPPLY
LOAD TO 6.5 AMPS
OR LESS
RESTART CONTROLLER
VERIFY PROPER OPERATION
RESTART CONTROLLER. RELOAD
PROGRAM IF NECESSARY
VERIFY PROPER OPRATION
WARNING:
REMOVE
SYSTEM
POWER
BEFORE
CHECKING
FUSE 1
1
Yes
No
Yes
No
No
Yes
No
Yes
10139–I